

Questions  Sections  Takers  Finishers  Passers  Passing Rate 
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What are they talking about this Quiz? : 
>> Guest: how???why???? The sum of the parent's ages is twice the sum of t 
>> Guest: panu 2? A father is three times as old as his son. Four y 
>> Guest: solotion of that question A man is 41 years old and in seven years he will b 
>> Guest: solution of that question A man is 41 years old and in seven years he will b 
>> Guest: Can I view how to answer this question because i dont know how to solved A circle having an area of 224 square meters is in 
>> Guest: WTF! How in gods name is that possible in two hours the MINUTE hand will pass through 720 degress. If it started at 12 and passed the entire hour it would return at 12. A cirlce containing 360 degrees it would do this twice 2 x 360 would be 720 degrees. Please explain to me how it would only traverse 45 degrees I really dont see how that is correct. In two hours, the minute hand of the clock rotates 
>> Guest: i think the answer to this question is wrong. you wrote 47 is the answer. 4+7=11 and is NOT 4 times as large as the sum (44?). the answer should be 36 In a twodigit number, the unit's digit is 3 great 
>> Guest: THIS IS MADNESS!!! In two hours, the minute hand of the clock rotates 
>> Guest: can you send me the solution to this problem? Nonoy left Pikit to drive to Davao at 6:15 PM and 
>> Guest: wtf! The sum of the parent's ages is twice the sum of t 
>> Guest: how to solve this =).....? A triangle has sides 18m, 16m, and 30m. Find its 
>> pauleentin12: how to solve problem page 1 A circle having an area of 224 square meters is in 
>> Guest: please give the solution The product of two numbers is 1400. If three is s 
>> Guest: give me the solution. The sum of the parent's ages is twice the sum of t 
>> Guest: why? give me the solution How many minutes after 3:00PM will the minute hand 
>> Guest: 720 must be correct In two hours, the minute hand of the clock rotates 
>> Guest: 720 is the right answer, the problem lacks enough given. In two hours, the minute hand of the clock rotates 
>> Guest: how? Peter and Paul can do a certain job in 3 hours. O 
>> pauleentin12: further explanation please.. Peter and Paul can do a certain job in 3 hours. O 
>> drummerboy: ha?.. In a twodigit number, the unit's digit is 3 great 
>> drummerboy: some formula please The product of two numbers is 1400. If three is s 
>> drummerboy: paki explaine nmn kung pnu nkuha ung 50 ang sagot, please The product of two numbers is 1400. If three is s 
>> drummerboy: paki explain nmn kung pnu nkuha ung 50 ang sagot, please The product of two numbers is 1400. If three is s 
>> drummerboy: panu un? paki lgay nmn ung formula ,, A certain copier produces 13 copies every 10 secon 
>> drummerboy: how 68.57 is the answer, can you please explain it to me. It takes Oscar 60 seconds to run around a 440yard 
>> drummerboy: kahirap nmn nyan? anu ba yan>? is that a question? muka hnd nmn , mg bgay nmn sana ng mga formula ung mga matatalino jan. help nmn please.. mhina ako sa math ehh super weak ako dun please Two times the father's age is 8 more than six time 
>> mateliminato: how>? The population of the country increases 5% each ye 
>> mateliminato: panu un,, solution please.. The population of the country increases 5% each ye 
>> mateliminato: panu un,, solution please.. The population of the country increases 5% each ye 
>> mateliminato: yah solution please A man is 41 years old and in seven years he will b 
>> manuel: how is the answer become 21? In one day (24 hours), how many times will the hou 
>> manuel: how is the answer become 1/5 and 1/6? explain it! The sum of the reciprocals of two numbers is 11. 
>> manuel: hi there what is the proper why of finding the solution of that? The sum of the parent's ages is twice the sum of t 
>> manuel: hi there what is the proper way of finding the solution of that? The sum of the parent's ages is twice the sum of t 
>> manuel: yah right give me the solution, How many minutes after 3:00PM will the minute hand 
>> mateliminato: YAP AND EXPLAIN IT! Nonoy left Pikit to drive to Davao at 6:15 PM and 
>> Guest: focus on the answers and 1400/50 is =28 then 503=47 283=25=1175 ganun din sa is and (50,28)is the number and which is larger diba "50" The product of two numbers is 1400. If three is s 
>> manuel: dat's right 720 is da correct answer In two hours, the minute hand of the clock rotates 
>> micxj: let: x=father's age at present y= son's age at present two times the father's age is '8 more than 6 times his son's age' would be represented by this equation: 2x=8+6y 'Ten years ago, the sum of their ages was 44': (x10)+(y10)= 44 x+y20=44 x+y=44+20 x+y=64 yung age ng son ang tinatanong so, we need to find the value of x in order to get the value of y (son's age) if, 2x=8+6y then, x=4+3y since x+y=64 and x=4+3y: x+y=64 (4+3y)+y=64 4y+4=64 4y=644 4y=60 y=60/4 y=15 so the son's age is 15 Two times the father's age is 8 more than six time 
>> micxj: let: x=man's age at present y=son's age at present x=41 x+7=48 48=4(y+7) 48=4y+28 4828=4y 20=4y y=5 =) A man is 41 years old and in seven years he will b 
>> micxj: uhm,. anyone here knows how to solve this? pls send me the solution to this if you know. thanks^^ micxj@ymail.com The sum of the parent's ages is twice the sum of t 
>> micxj: i don't get this. uhm, if anyone here knows how to solve this,. please email it to micxj@ymail.com if the angle would be more than 360 degrees in a circle then that wouldn't be referred to as rotation anymore right?, it's revolution. in two hours, the minute hand does two revolutions thus covering an angle of 720 degrees, but i don't think that's the answer were looking for @@ pls. and thanks! In two hours, the minute hand of the clock rotates 
>> micxj: @.@ if you know the solution, please email it at micxj@ymail.com pls and thanks! A group consists of n boys and n girls. If two of 
>> manuel: how? The population of the country increases 5% each ye 
>> micxj: here: let the two nos be represented by x and y. xy=1400 x=1400/y y=1400/x (x3)(y3)=1175 xy3y3x+9=1175 (i used y. since y=1400/x; and xy=1400.....) xy3y3x+9=1175 14003(1400/x)3x=11759 14003(1400/x)3x=1166 3(1400/x)3x=11661400 3(1400/x)3x=234 (1400/x)+x=78 1400/x=78x 78xx^2=1400 x^2+781400=0 or x^278x+1400=0 (x50)(x28)=0 x=50;x=28 The product of two numbers is 1400. If three is s 
>> micxj: i was confident that the correct answer must be 36. uhm,. here's my solution, please tell me if there's an error here: let the ten's digit be 'x' and the unit's digit be 'y' the number would be (10x+y) 'the unit's digit is 3 greater than the ten's digit' y=x+3 'the number is 4 times as large as the sum of its digits' 10x+y=4(x+y) if, y=x+3 and 10x+y=4(x+y) then, 10x+x+3=4(x+x+3) 11x+3=4(2x+3) 11x+3=8x+12 11x8x=123 3x=9 x=3 y=x+3 y=3+3 y=6 no.=xy x=3 y=6 no.=36 so the correct ans would be 36 right? In a twodigit number, the unit's digit is 3 great 
>> micxj: suppose that the population mentioned there was the population in the year 2007. on 2008(the 1st year), the population would be 105% of the population during 2007 on 2009(2nd yr), it'll be 110.25%(1.1025) because 1.05+(1.05x.05)=1.1025 on the 3rd year: 1.1025+(1.1025x.05)=1.157625 the asked value is the percentage it will increase after three years. after three year, the population would be 115.7625% or 1.1576% of the original population 115.76%100%=15.76% The population of the country increases 5% each ye 
>> micxj: correction:(i omitted the % sign after 1.1576) the asked value is the percentage it will increase after three years. after three year, the population would be 115.7625% or 1.1576 of the original population 115.76%100%=15.76% The population of the country increases 5% each ye 
>> micxj: or: the problem follows the growth formula N(subscript t=P(1+r)^t where t=time P=original value r=rate of increase t= 3 years r=5% or .05 P(1+.05)^3 P(1.05)^3 P(1.157625) 1+r=1.157625 r=1.1576251 r=.157625 or 15.76% The population of the country increases 5% each ye 
>> micxj: i don't get this problem,. uhm, if you happen to know, please send the solution to micxj@ymail.com along with the word problem. pls and thnx! It takes Oscar 60 seconds to run around a 440yard 
>> Guest: the answer hir shud be letter d. it's 119. 73.. we use the heron's formula. which is the square root of the expression s(sa)(sb)(sb) where s is (a+b+c)/2. A triangle has sides 18m, 16m, and 30m. Find its 
>> Guest: bez, it's jacky. let x be the rate of Oscar. y be the rate of james. if they are to meet after 32 seconds of running in opposite direction, that mins that the sum of the distances they've covered is equal to the circumference of the track. try to imagine it.. so, the working equation would be 32x + 32y =440. rate=distance/time. thus, the r of Oscar is 440/60. that is 22/3. so, we now have, 32(22/3) + 32y = 440 we multiply the equation ol thruout by 3 for simplification. so, we now have, 704+96y=1320 y=6.4166.. seconds that is the r of James. but wat is asked hir is the time it will take james to go around the track. so,the formula is t=d/r ryt? t=440/6.4166.. that's around 68. 57 seconds.. got it? :) It takes Oscar 60 seconds to run around a 440yard 
>> tnique.com: Let x = sum of parent's ages y = sum of children's ages n = number of children in the family. x = 2y (1) x55 =4(y5n) (2) x+15+15 =y+15n (3) (1) vs (2) x = 2y (1) x55 =4(y5n) (2) . . . y =10n5 (i) (1) vs (3) x = 2y (1) x+15+15 =y+15n (3) . . . 2y+30=y+15n . . . y =15n30 (ii) (i) vs (ii) y =10n5 (i) y =15n30 (ii) . . . n=5 let me know if you further clarification. dmnatividad@yahoo.com The sum of the parent's ages is twice the sum of t 
>> tnique.com: Let x = sum of parent's ages y = sum of children's ages n = number of children in the family. x = 2y (1) x55 =4(y5n) (2) x+15+15 =y+15n (3) (1) vs (2) x = 2y (1) x55 =4(y5n) (2) . . . y =10n5 (i) (1) vs (3) x = 2y (1) x+15+15 =y+15n (3) . . . 2y+30=y+15n . . . y =15n30 (ii) (i) vs (ii) y =10n5 (i) y =15n30 (ii) . . . n=5 The sum of the parent's ages is twice the sum of t 
>> tnique.com: Apologies for the confusion. Here it is! Let x = sum of parent's ages y = sum of children's ages n = number of children in the family. x = 2y (Eq1) x55 =4(y5n) (Eq2) x+15+15 =y+15n (Eq3) (Eq1) vs (Eq2) x = 2y (Eq1) x55 =4(y5n) (Eq2) . . . y =10n5 (Eq.i) (Eq1) vs (Eq3) x = 2y (Eq1) x+15+15 =y+15n (Eq3) . . . 2y+30=y+15n . . . y =15n30 (Eq.ii) (Eq.i) vs (Eq.ii) y =10n5 (Eq.i) y =15n30 (Eq.ii) . . . n=5 The sum of the parent's ages is twice the sum of t 
>> tnique.com: Consider this. number of boys + number of girls = total number of group members. algebraically, n+n=2n where n= number of boys=number of girls 2n= total number of group members "two of the boys are replaced by two other girls" means (n2)+(n+2)=2n "49% of the group members will be boys" n2= new number of boys 2n= new total number of groups members n2=.49(2n) n2=.98n n.98n=2 .02n=2 n=2/.02 n=100 hope this helps. Also, i hope that if you somewhat find the solution to your problem here in ikodeko.com, kindly share it to us. :) A group consists of n boys and n girls. If two of 
>> tnique.com: (13 copies/10 seconds) = (x copies/ 60 seconds). A certain copier produces 13 copies every 10 secon 
>> tnique.com: "A father is three times as old as his son. Four years ago, he was four times as old as his son was at that time. How old is his son? " x = age of father y = age of son A father is three times as old as his son. x=3y "Four years ago, he was four times as old as his son was at that time." x4 = age of father four years ago y4 = age of son four years ago so we have x4=4(y4) now we have 2 equations and two unknowns x=3y x4=4(y4) Just substitute and you will have the answer y=12 A father is three times as old as his son. Four y 
>> tnique.com: This is hard. Just remember that the diameter of the circle is around 16 units. you can divide then the octagon into squares and triangles. follow the steps here. http://mathcentral.uregina.ca/QQ/database/QQ.09.04/jeremy2.html and remember that a+2b= diameter of the circle. A circle having an area of 224 square meters is in 
>> tnique.com: Crucify the infidel who wrongfully misled us! Hehehe In two hours, the minute hand of the clock rotates 
>> tnique.com: Here you go. From 6:15PM to 11:45PM, Nonoy traveled and dined for 5 1/2 hour. traveled and dined=5.50 hours dined = 1 hour traveled = 5.50 hours  1 hour traveled = 4.50 hours Let x = distance of davao from pikit. (30miles)/hour = x/4.5 hours. x=30miles*4.5 x= 135 miles Nonoy left Pikit to drive to Davao at 6:15 PM and 
>> tnique.com: Same answer and solution with micxj. also, 4 times some integer should be an even number (and divisible by 4). 47 is not even. In a twodigit number, the unit's digit is 3 great 
>> Guest: Here is my solution. Kindly verify. x = amount of time needed by Peter to finish a job y = amount of time needed by Paul to finish a job 3 = amount of time needed by Peter and Paul working together to finish a job. this means that in an hour, 1/x = amount of work finished by Peter also, 8/x = amount of work finished by peter in 8 hours and in an hour, 1/y = amount of work finished by Paul and in an hour, 1/3 = amount of work finished by Peter and Paul working together "Peter and Paul can do a certain job in 3 hours." (1/x)+(1/y) = 1/3 "They worked together for 1 hour" means (1/x)+(1/y) "they worked together for 1 hour then Paul left and Peter finishes the rest of the work in 8 more hours." (1/x)+(1/y)+(8/x)=1 our two equations would be (1/x)+(1/y)=1/3 (1/x)+(1/y)+(8/x)=1 substitution, we have y=4 x=12 Kindly validate my formula. Peter and Paul can do a certain job in 3 hours. O 
>> tnique.com: Here is my solution. Kindly verify. x = amount of time needed by Peter to finish a job y = amount of time needed by Paul to finish a job 3 = amount of time needed by Peter and Paul working together to finish a job. this means that in an hour, 1/x = amount of work finished by Peter also, 8/x = amount of work finished by peter in 8 hours and in an hour, 1/y = amount of work finished by Paul and in an hour, 1/3 = amount of work finished by Peter and Paul working together "Peter and Paul can do a certain job in 3 hours." (1/x)+(1/y) = 1/3 "They worked together for 1 hour" means (1/x)+(1/y) "they worked together for 1 hour then Paul left and Peter finishes the rest of the work in 8 more hours." (1/x)+(1/y)+(8/x)=1 our two equations would be (1/x)+(1/y)=1/3 (1/x)+(1/y)+(8/x)=1 substitution, we have y=4 x=12 Kindly validate my formula. Peter and Paul can do a certain job in 3 hours. O 
>> dan_lorence: this is really wrong..... In two hours, the minute hand of the clock rotates 
>> dan_lorence: why's my name dan_lorence? In two hours, the minute hand of the clock rotates 
>> micxj: hari ng patakla A father is three times as old as his son. Four y 
>> micxj: please show the solution Mr. Rice can wash his car in 15 minutes, while his 
>> harty: solutiopn please... One number is five less than the other number. If 
>> harty: feeling ko din nga... 36 ang answer.. hay kainiz naman.., In a twodigit number, the unit's digit is 3 great 
>> harty: hhhmmn.. how does it happens.. the problem said the seller raise the price 10% before the christmas.. then sell it to his buyers at 10%. so the the buyers gets zero discounts ryt?? correct me if im wrong.. A grocery owner raises the prices of his goods by 
>> harty: solutuioon naman poh... If a twodigit number has x for its unit's digit a 
>> micxj: hey, ayusin niyop naman yung mga quizzes niyo coz the answers are misleading.. In a twodigit number, the unit's digit is 3 great 
>> precious_jhem01: can i have the computation? A man travels in a motorized banca at the rate of 
>> bakki99: bkit po nging .02n=2 dun po s may n.98n=2??ngu2lohan po ksi ako panu nkuha??? A group consists of n boys and n girls. If two of 
>> bakki99: opo bat nging 21 pa explain nman po??? In one day (24 hours), how many times will the hou 
>> micxj: @bakki99: kasi po dba n is considered as 1, so 1 minus 0.98 is equal to 0.02 :) A group consists of n boys and n girls. If two of 
>> manuel: i don't get this.. kindly give the solution to this problem.thanks! Given that w varies directly as the product of x a 
>> micxj: you're right. it's just like i gave you ten apples then you gave it back to me,,, A grocery owner raises the prices of his goods by 
>> Guest: dapat ang answer d2 is 780 lng kc 13copies/10sec. 60 mins. in an hour db? e d 13copies X 60mins in an hour= 780copies.db! A certain copier produces 13 copies every 10 secon 
>> manuel: x is directly proportional to y: k=x/y x is inversely proportional to y: k=xy based on the problem, we come up to this: w*z(squared)/x*y = (4*9)/12 = 3 our k now is = 3 when x=1, y=4, z=2: (w*x(squared))/x*y =3 4w/4=3 so w=3 Given that w varies directly as the product of x a 
>> jan_10: >you're solution is wrong mister/miss micxj 3). A man is 41 years old and in seven years he will be four times as old as his son is at that time. [ASKED]: How old is his son now?  let: x=man's age at present y=son's age at present x=41 x+7=48 48 = 4(y  7) 48 = 4y  28 48 + 28 = 4y 76 = 4y 19 = y His son is 19 years old now. ^_^ A man is 41 years old and in seven years he will b 
>> jan_10: why 15? the answer's supposed to be 60. Pls show your solution. The ages of the mother and her daughter are 45 and 
>> harty: read the question carefully. the answer is 15. The ages of the mother and her daughter are 45 and 
>> harty: "How many years will the mother be three times as old as her daughter? " The ages of the mother and her daughter are 45 and 
>> harty: uhm, well acually, I think mine's right. You shouldn't have subtracted seven from y since the equation is for each person's age after seven years. It should be 48=4(y+7) since the father's age after seven years was equated to 4 times the age of the son after seven years. A man is 41 years old and in seven years he will b 
>> harty: why's it indicated there that I'm harty in the post below? .' ~micxj A man is 41 years old and in seven years he will b 
>> Guest: gani dapat 780 gd.. A certain copier produces 13 copies every 10 secon 
>> jan_10: show solution A and B can do a piece of work in 42 days, B and C 
>> Guest: 15 x 2 = 30 min 30  15 = 15  5 = 10... Mr. Rice can wash his car in 15 minutes, while his 
>> tnique.com: I think differently. Price of an apple is $100. Raise it by 10%, the new price is $110. Now from the new price, we will remove 10% because of discount. New updated price would be $99. Quite tricky. tnique.com A grocery owner raises the prices of his goods by 
>> Guest: Isn't it the question was "At what time after 12:00 noon.... "? so it should be a) which is 12:21.818 because this pertains to time. The question should have been how many minutes after 12 noon if you wanted us to answer the so called "correct answer" of 21.818 mins. make sense? At what time after 12:00 noon will the hour hand a 
>> Guest: I definitely agree that 36 is the correct answer. as for the answer of 47> WRONG!!!! In a twodigit number, the unit's digit is 3 great 
>> pauleentin12: 720. In two hours, the minute hand of the clock rotates 
>> pauleentin12: The answer is 16 4/11 minutes. Equation : 6x= x/2 + 90 How many minutes after 3:00PM will the minute hand 
>> pauleentin12: Ano ka ba. Malamang.. 10y + x. Gawin mong expanded form parang nung elementary ka pa. If a twodigit number has x for its unit's digit a 
>> kingpin17: let x = father's age y= son's age 2x=8+6y x=4+3y.....eq.1 10 yrs ago.. (x10)+(y10)=44 by substitution method (eq.1) ((4+3y))10)+(y10)=44 (3y6)+(y10)=44 4y16=44 4y=60 4y/4=60/4 therefore.. y= 15..son's age Two times the father's age is 8 more than six time 
>> kingpin17: let x&y be the two reciprocals x= first reciprocal y= second reciprocal x+y=11 x=11y....eq.1 3y=3+2x...eq.2 by substitution method (eq.1 to eq.2) 3y = 3 + 2(11y) 3y = 3 + 22  2y 3y+2y = 25 5y = 25 5y/5 = 25/5 y = 5 substitute the y value to eq.1 x = 11  y x = 11  5 x = 6 since, y=5 and x=6 then the numbers must be the reciprocal of the value solved... therefore: the numbers are 1/6 & 1/5 The sum of the reciprocals of two numbers is 11. 
>> kingpin17: God bless guys. The sum of the reciprocals of two numbers is 11. 
>> lara2405: ang galing nman ni tnique! haha. The sum of the parent's ages is twice the sum of t 
>> Guest: JAN_10 BARBERO..5YRS OLD NGA E! A man is 41 years old and in seven years he will b 
>> Guest: JAN_10 BARBERO..5YRS OLD NGA E! A man is 41 years old and in seven years he will b 
>> micxj: may i know how "5" was derived in the solution below? Mr. Rice can wash his car in 15 minutes, while his 
>> micxj: please share the solution to this problem. In one day (24 hours), how many times will the hou 
>> manuel: using hero's formula find area: A=square root of S(SA)(SB)(SC) use the choices to find the area.. @ 57 area is math error @ 56 area is math error @ 55 area is 0 @ 54 the area can be calculate Two sides of a triangle measure 25m and 30m. One 
>> papapioloismine: it was so easy A circle having an area of 224 square meters is in 
>> papapioloismine: 1/a+ 1/b = 1/42 1/b+ 1/c = 1/31 1/a + 1/c= 1/20 substitute all: 1/2a+1/2b+1/2c= 1/42+1/31+1/20 a+b+c=18.9 if you have questions..call me @09228202520.. math is like eating peanuts.. A and B can do a piece of work in 42 days, B and C 
>> papapioloismine: yeah ryt At what time after 12:00 noon will the hour hand a 
>> hannah grace: the answer should be 39.05 because we use Pythagorean theorem Two sides of a triangle measure 25m and 30m. One 
>> mimz: one number represent "x" other number is 5 less than the other so it is "x5" according to the question the sum of the two number is 135 does: x+x5=135 2x=135+5 2x=140 2x/2=140/2 x=70 x5=705 =65 One number is five less than the other number. If 
>> Guest: how did you arrive in the 15 step with that outcome perhaps what i know is "x" is inseparable? The product of two numbers is 1400. If three is s 
>> Guest: sol'n to this prob has not been shared. may you please share with us the complete sol'n to this problem? In one day (24 hours), how many times will the hou 
>> Guest: thanks po i gotm the answere. you realy help us to become better broblemsolver The ages of the mother and her daughter are 45 and 
>> Guest: may you please prove us that youre answere is correct although every hour that the hands rotate, they actualmly met In one day (24 hours), how many times will the hou 
>> Guest: what the. the right answer was 720. who did this, go back to your teacher. In two hours, the minute hand of the clock rotates 
>> Guest: ye. that was right. heron's formula shall be use here. duck. go back to your algeb prof . A triangle has sides 18m, 16m, and 30m. Find its 
>> Guest: K is constant right how come it was in the solution?? i just don;t get it ^^ thnks Given that w varies directly as the product of x a 
>> hannah grace: thats the thing, u can ask filititimo for the correct answer :) A triangle has sides 18m, 16m, and 30m. Find its 
>> hannah grace: k...fine :) Given that w varies directly as the product of x a 
>> hannah grace: k...fine :) Given that w varies directly as the product of x a 
>> hannah grace: easy ba papapiolo aka mark leo of tondo,, asan solution mo ;p A circle having an area of 224 square meters is in 
>> Guest: I also agree with 36, other ans in quiz are misleading too. . In a twodigit number, the unit's digit is 3 great 
>> dhax12: Min hand over takes hr hand after the 15min mark w/c is after 3o'clock let x be the total time from 3o'clock to point the min hand over takes hr hand. in eqn form: x=(x/12)+15 x/12 is the length of time the min hand over takes hr hand. solve for x x(x/12)=15 (12xx)/12=15 11x/12=15 x=(15)(12)/11 x=180/11=16 4/11 this proves 14/12 is wrong. post if you have Qs. Hope this helps. How many minutes after 3:00PM will the minute hand 
>> dhax12: Solution is: in 1hr=60 min, therefore, 2hrs=120min convert 120min to degrees 180 degrees=30min 120min x (180 degrees/30min) =720 degrees therefore, the contributor shall go back to nursery. LOL In two hours, the minute hand of the clock rotates 
>> dhax12: Tama na answer oi! Let r be the rate of copier, r=no. of copies/time given no. of copies=13 and time=10sec then, r=13/10=1.3 copies per second now naa kta rate=1.3 copies/second, hanap ta no. of copies in 1hr. 1hr=3600sec. no. of copies=rate x time time=1 hr=3600 sec. no. of copies=1.3 x 3600 no. of copies=4680 copies A certain copier produces 13 copies every 10 secon 
>> dhax12: Mr. Rice can finish the wash in 15 min, his son paul takes twice as long doing the same wash that is 15 x 2 = 30min. one hint here is take the rate of each in one job and add their individual rate. Let x be the time to finish the wash. For mr. Rice his rate is 1/15, 1 indicates that that he can do 15 min to finish a "single" wash w/c is 1. For paul it is 1/30, the equation shall be, (1/15)x+(1/30)x=1 why equals to 1? It is said that they can finish washing (single job) if they work together. Solve for x, that will give you, x=10 min. Mr. Rice can wash his car in 15 minutes, while his 
>> dhax12: Pag chur oi! haha At what time after 12:00 noon will the hour hand a 
>> Guest: 7 x 3= 21 7 x 2 = 14 correct ans. 7,14 The sum of two numbers is 21, and one number is tw 
>> mimz: it should be 4/11... damn How many minutes after 3:00PM will the minute hand 
>> mimz: it should be 4/11... damn How many minutes after 3:00PM will the minute hand 
>> mimz: it should be 4/11... damn How many minutes after 3:00PM will the minute hand 
>> mimz: 16 and 4/11 How many minutes after 3:00PM will the minute hand 
>> mimz: In 12 hours the minute hand and hour hand are together for 11 times. therefore in one day, they will be together for 22 times  Engineering mathematics Volume 1 Gillesania In one day (24 hours), how many times will the hou 
>> Guest: further explaination pls... A father is three times as old as his son. Four y 
>> Guest: sagot naman jan... How many minutes after 10:00 o'clock will the hand 
>> 2nela: ang hirap naman////// The sum of the parent's ages is twice the sum of t 
>> charlie21: brain damage It is now between 3 and 4 o'clock and in twenty mi 
>> charlie21: nose bleed A grocery owner raises the prices of his goods by 
>> hannah grace: 720 is the correct answer !!! In two hours, the minute hand of the clock rotates 
>> aluvs: how became 18.9 the answer A and B can do a piece of work in 42 days, B and C 
>> papapioloismine: hey,harty..good day..the answer is 1%,its simply because the discount starts as the price rises. A grocery owner raises the prices of his goods by 
>> candidpixie: wrong!it should be 36!!(3+6)4=36!!!! In a twodigit number, the unit's digit is 3 great 
>> micxj: further pah po pl.... A father is three times as old as his son. Four y 
>> drummerboy: me either i agree with 36... In a twodigit number, the unit's digit is 3 great 
>> ezekiel: solution A man is 41 years old and in seven years he will b 
>> Guest: Show solutions It is now between 3 and 4 o'clock and in twenty mi 
>> Guest: Hayy! aja! The sum of the parent's ages is twice the sum of t 
>> eztannatez: hmmmmmmmmm..tnx for solution ;) The population of the country increases 5% each ye 
>> Guest: ask ko lang po pano naging 6 yung answer? Ten less than four times a certain number is 14. 
>> Guest: waaaa pano po isolve to. thanks A circle having an area of 224 square meters is in 
>> ronniebagalanon: not clear Peter and Paul can do a certain job in 3 hours. O 
>> kim chai: my head is going to blow.. A triangle has sides 18m, 16m, and 30m. Find its 
>> sammylee45: why is the answer 47?not 36? In a twodigit number, the unit's digit is 3 great 
>> manuel: The answer is 36 ? right why it is 47 ! ? In a twodigit number, the unit's digit is 3 great 
>> ronniebagalanon: HARD XD A group consists of n boys and n girls. If two of 
>> Guest: can i see the solution? How many minutes after 10:00 o'clock will the hand 
>> Guest: can i see the sol. Delia can finish a job in 8 hours. Daisy can do i 
>> Guest: PINA COMPLICATE MO PA YUNG EXPLANATION "dhax12" ganito lang yan oh!! 60secs = 1min 60mins = 1hr so.. 60 x 60 / 10secs x 13 copies = 4680 copies/hr mga etchosera!!! www.facebook.com/iamTESZA A certain copier produces 13 copies every 10 secon 
>> micxj: ah, i got it its just similar to present value problem ,i never thought that this kind of problem can work on present value formula,, hahah The population of the country increases 5% each ye 
>> kingpin17: okay. A certain copier produces 13 copies every 10 secon 
>> Guest: the answer should be 55m.. because 1st side + 2nd side = 3rd side... understand? Two sides of a triangle measure 25m and 30m. One 
>> crimson: how did you get 105%? The population of the country increases 5% each ye 
>> crimson: please explain it in details Two sides of a triangle measure 25m and 30m. One 
>> harty: further explanation please!!! A grocery owner raises the prices of his goods by 
>> crimson: I agree. the answer should be d. Heron's formula is the solution to this problem. A triangle has sides 18m, 16m, and 30m. Find its 
>> lokokasmoot: how to get the answer ..plsss Eight men can dig 150 ft of trench in 7 hours. Th 
>> mr.amparado: 41+7=48 48/4= 12 hahaha A man is 41 years old and in seven years he will b 
>> arkiemalibago: solution please!!! Delia can finish a job in 8 hours. Daisy can do i 
>> arkiemalibago: @tnique.com  are you sure with ur solution?? at first u have 5 1/2 but the second u already have 5.50 hours.... it complicates me Nonoy left Pikit to drive to Davao at 6:15 PM and 
>> arkiemalibago: what kind of Quiz Review is this???? they answer the WRONG answer!!! This irritates me..ughhh... At what time after 12:00 noon will the hour hand a 
>> drummerboy: 1hr = 60mins = 3600sec/10sec = 360x13 = 4680 A certain copier produces 13 copies every 10 secon 
>> pauleentin12: it should have been 24 right?1 day has 24 hrs. therefore the clock's hand will be pointed to them 24x a day? In one day (24 hours), how many times will the hou 
>> Guest: the answer should be 99 m2 A triangle has sides 18m, 16m, and 30m. Find its 
>> Guest: nice :) Mr. Rice can wash his car in 15 minutes, while his 
>> Guest: this is very simple.., without using any formula, just evaluate this: peter took 8hrs disregarding the 1hr job they done., meaning, peter can do 4hrs corresponds to 1hr job they done. 3hrs(combine job) times Peter and Paul can do a certain job in 3 hours. O 
>> Guest: this is very simple.., without using any formula, just evaluate this: peter took 8hrs disregarding the 1hr job they done., meaning, peter can do 4hrs corresponds to 1hr job they done. 3hrs(combine job) times 4hrs(peter can do)= 12 Peter and Paul can do a certain job in 3 hours. O 
>> Guest: the hour hand will point 24x(w/c corresponds to 124 right??) and the minute hand will also point 24x as what the hour hand do!!!! hind pwedeng lumaktaw 124578 ganito b????? In one day (24 hours), how many times will the hou 
>> Guest: the answer is 1%., get your calculator and solved: the price of the apple is $100, the 10% of it is 10 then add, 110 is the result then get the 10% of 110 w/c is equal to 11,, then 11011=99 ,, the customer will get 1% discount from $100,,.. gab,,SMNHS A grocery owner raises the prices of his goods by 
>> Guest: the answer is 10%. the price of the apple is $100 and then it is stated there that the added 10% of it and that's the new price so 100x.1=10 and 100+10=110 but there is a discount of 10% so 110x.1=11 and 11011=99 so you must divide the amount of money discounted by the original price which is 110 and you will get .1 if you change it to percent the answer is 10% A grocery owner raises the prices of his goods by 
>> Guest: i can't get it A father is three times as old as his son. Four y 
>> Guest: hahaha nobody knows the solution even me don't know It is now between 3 and 4 o'clock and in twenty mi 
>> Guest: pls tell me 10% is correct,right? A grocery owner raises the prices of his goods by 
>> micxj: hirap naman po.. A group consists of n boys and n girls. If two of 
>> Guest: d Two times the father's age is 8 more than six time 
>> Guest: thanks The sum of the reciprocals of two numbers is 11. 
>> Guest: 8:5 3:? 3*5=15 15/8=1.875 hrs.. Delia can finish a job in 8 hours. Daisy can do i 
>> Guest: distance = rate * time d= (12kph+10kph)* 3hrs and 10 mins A man travels in a motorized banca at the rate of 
>> john kristian: x+2x=21 3x=21 x=7 substitution 7 , 2[7] answer 7 , 14 The sum of two numbers is 21, and one number is tw 
>> Guest: 28x50=1400 so, 50 is the bigger no. en dats d answr.. dats it.. The product of two numbers is 1400. If three is s 
>> micxj: another clear solution for us to verify the answer Peter and Paul can do a certain job in 3 hours. O 
>> brutotoy: The question should be "In how many years will the mother be three times as old as her daughter? The ages of the mother and her daughter are 45 and 
>> drummerboy: :bitch pls: thats 720 In two hours, the minute hand of the clock rotates 
>> mateliminato: tnx 4 the solution. Delia can finish a job in 8 hours. Daisy can do i 
>> ezekiel: ,,don't get it Peter and Paul can do a certain job in 3 hours. O 
>> ezekiel: ..i hate formulas,i can't remember them all..but how come i got it right?..just guessed..=) The sum of the parent's ages is twice the sum of t 
>> ezekiel: ..36..how come 47? duh? In a twodigit number, the unit's digit is 3 great 
>> ezekiel: ..i wish u give us explanations in every questions..:S In a twodigit number, the unit's digit is 3 great 
>> crystalflaire: 10 4(a) = 14 10 4(6) = 14 10 24 = 14 14= 14 Ten less than four times a certain number is 14. 
>> harty: 50X28=1400 (503= 47) (283= 25) SO, 47X25=1175 THEN THE BIGGER NO. IS 50 The product of two numbers is 1400. If three is s 
>> Guest: ang hirap nalito ako Two times the father's age is 8 more than six time 
>> Guest: lol In one day (24 hours), how many times will the hou 
>> jannaking: I'm confused. Can someone explain the solution? Eight men can dig 150 ft of trench in 7 hours. Th 
>> jannaking: that is what we call math,really hard and hated? The population of the country increases 5% each ye 
>> Guest: pde bang paki expalin po ng mas malinaw ! thank yous so much Ten less than four times a certain number is 14. 
>> Guest: 55 is the answer ! because the first side + the 2nd side is equal to the 3rd side . agree guys ? Two sides of a triangle measure 25m and 30m. One 
>> harty: because its about ..you It is now between 3 and 4 o'clock and in twenty mi 
>> ezekiel: becausE the number is 3 and if divided it into 4 we must say it will never be and we thinking about how the solution works but we can think anything so we must choose by using iniminimaynimo It is now between 3 and 4 o'clock and in twenty mi 
>> ezekiel: i agree w/ phythagorian theorem if and only if it is a right triangle. Two sides of a triangle measure 25m and 30m. One 
>> ezekiel: A grocery owner raises the prices of his goods by 10%. Then he starts his Christmas sale by offering the customers a 10% discount. How many percent of discount does the customers actually get? this s the question right? then why are you talking about apples? A grocery owner raises the prices of his goods by 
>> drummerboy: thank you.. i couldnt figure out how to solve this. i obviously need to review my distance and rate formulas. It takes Oscar 60 seconds to run around a 440yard 
>> manuel: want to know how did u solve the question, is there any formula for that? please explain. In one day (24 hours), how many times will the hou 
>> vindeguzman2009: show your solution plz. The ages of the mother and her daughter are 45 and 
>> cherypicker: can somebody explain the answer?? ??)) Eight men can dig 150 ft of trench in 7 hours. Th 
>> Guest: I got as well the same answer as 16 4/11 mins! That really is should be! How many minutes after 3:00PM will the minute hand 
>> romi_onielyn: if x = unit's digit; y = ten's digit; a twodigit number should be yx... in your answer y and x both represent unit's digit If a twodigit number has x for its unit's digit a 
>> cherypicker: maybe for those who were asking for the correct solution, why not try to prove it yourself. observe the clock for 24 hours, then count how many times did the minute hand and hour hand will meet. if that is the case, then no more doubts right? follow me on twitter @prettygens In one day (24 hours), how many times will the hou 
>> fotzkie123: how this answer happen can someone give us (formula) Eight men can dig 150 ft of trench in 7 hours. Th 
>> ronmel16: can i see the solution too How many minutes after 10:00 o'clock will the hand 
>> Guest: grabe nakaka bobo naman ang mga sino solve nyu >< mahina pa namna ako sa math Two times the father's age is 8 more than six time 
>> charlie21: 4x10=14 4x=14+10 4x=24 x=6 Ten less than four times a certain number is 14. 
>> charlie21: hay naku , use ratio and proportion lang . 13/10=x/3600 46800=10x 4680=x A certain copier produces 13 copies every 10 secon 
>> crystalflaire: right ezekiel..why are they talking all about apples? A grocery owner raises the prices of his goods by 
>> Guest: solution plss... How many minutes after 10:00 o'clock will the hand 
>> Guest: i dont know what i was doing? Delia can finish a job in 8 hours. Daisy can do i 
>> Guest: isnt it 144? A triangle has sides 18m, 16m, and 30m. Find its 
>> Guest: h A circle having an area of 224 square meters is in 
>> Guest: Oh hahaha idiot! Ganito kase yan .. very easy if plus and miuns will multiply you then the sum is divide. thanks a lot :) A circle having an area of 224 square meters is in 
>> harty: It's saying a about reciprocal so It's talking about a fraction then it left me with two options then tried manipulating the options in whe The sum of the reciprocals of two numbers is 11. 
>> Guest: (2/11)x120=21.82 this is my solution...:) How many minutes after 10:00 o'clock will the hand 
>> Guest: (1/8)x3 +(1/8+ 1/5)x t=1 t1.923 hrs. 1= for a completed work Delia can finish a job in 8 hours. Daisy can do i 
>> Guest: Proportion and varation problem K=Constant of proportionality W=K x XY Z2 solve for K first w = 4 x = 2 y = 6 z = 3 K = WxZ2 XY K = 4x32 2x6 K = 3 THEN SOLVE FOR W K = 3 X = 1 Y = 4 Z = 2 W = K x XY Z2 W = 3x1x4 2 2 W = 3 Given that w varies directly as the product of x a 
>> Guest: Proportion and varation problem K=Constant of proportionality W=K x XY Z2 solve for K first w = 4 x = 2 y = 6 z = 3 K = WxZ2 XY K = 4x32 2x6 K = 3 THEN SOLVE FOR W K = 3 X = 1 Y = 4 Z = 2 W = K x XY Z2 W = 3x1x4 2 2 W = 3 Given that w varies directly as the product of x a 
>> harty: Let x be the certain number. "four times a certain number" is written as 4x. "ten less" than "4 times a certain number" is 4x  10. "ten less than a certain number is 14" is written as 4x  10 = 14. then follow charlie21's solution. Ten less than four times a certain number is 14. 
>> joberz: how's the solution? please?... A triangle has sides 18m, 16m, and 30m. Find its 
>> joberz: yeah.... we hope for explanations... In a twodigit number, the unit's digit is 3 great 
>> joberz: whatda! who will try to observe the clock for 24 hours? isn't that thing is insanity? In one day (24 hours), how many times will the hou 
>> Guest: that's wrong ,,,720 is the correct answer In two hours, the minute hand of the clock rotates 
>> Guest: let me clear this up .. heres how the heron's formula look like.. Step 1: Calculate "s" (half of the triangles perimeter) using: s=a+b+c/2 Step 2: Then calculate the Area using: A=square roots(sa)(sb)(sc) that's how it goes.. hope it helps>> A triangle has sides 18m, 16m, and 30m. Find its 
>> Guest: teach me hw 2 get the answer A grocery owner raises the prices of his goods by 
>> Guest: how did you do that thing? The product of two numbers is 1400. If three is s 
>> hannah grace: I think this is common sense! what the f*ck? The answer should be 24! In one day (24 hours), how many times will the hou 
>> manuel: I agree with using addition Two sides of a triangle measure 25m and 30m. One 
>> drummerboy: ;p A grocery owner raises the prices of his goods by 
>> drummerboy: I think its 720? If I'm not mistaken? Hehe :) 360 degrees every angle rotation. Two hours so 360 x 2, therefore its 720 ;) Haha ^_^ In two hours, the minute hand of the clock rotates 
>> harty: why is that? A grocery owner raises the prices of his goods by 
>> scullamat@yahoo.com: how can i get the correct answer ? A circle having an area of 224 square meters is in 
>> jovita_banana: quite tricky but if u understand it is 1% A grocery owner raises the prices of his goods by 
>> Guest: detailed solution naman How many minutes after 10:00 o'clock will the hand 
>> Guest: 119.73 square meters is the correct answer A triangle has sides 18m, 16m, and 30m. Find its 
>> micxj: I think the writer meant HOURHAND not the minute hand. In two hours, the minute hand of the clock rotates 
>> micxj: tama ung kay mr.amparado pero bk8 wla sa choices? mali ba ung nag sulat? A man is 41 years old and in seven years he will b 
>> micxj: ay ! minus 7 pa pala kac present ung pinag uusapan.. sorry ! :D A man is 41 years old and in seven years he will b 
>> micxj: hoy it's 720 I guess In two hours, the minute hand of the clock rotates 
>> merldorothy: why is it ? Nonoy left Pikit to drive to Davao at 6:15 PM and 
>> pinatakan: Lets just play Dota 2 plzzz Ten less than four times a certain number is 14. 
>> bambie retes: Simple lng naman talaga ang sulosyon but! Hard to substitute! Haha jxt try to observe it! XD In one day (24 hours), how many times will the hou 
>> Guest: Grav nloloka tlaga AQ xa math..until nw d q pa alam qng pnu nagng 15 ang answer..even f i already read the other solutions..haizzt.. Two times the father's age is 8 more than six time 
>> Guest: Grav nloloka tlaga AQ xa math..until nw d q pa alam qng pnu nagng 15 ang answer..even f i already read the other solutions..haizzt.. Two times the father's age is 8 more than six time 
>> Guest: how Nonoy left Pikit to drive to Davao at 6:15 PM and 
>> Guest: oh!thanks sa mga explanation now i know na): It takes Oscar 60 seconds to run around a 440yard 
>> Guest: lol One number is five less than the other number. If 
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