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pat kat and mark

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by Cybermusings » Tue Apr 10, 2007 11:13 am
Pat Kat and Mark charged a total of 162 hours to a certain project. If Pat charged twice as much as Kate and a 1/3 as much as Mark. How many hours did Mark charge to the project?

Let Kate charge x
Therefore Pat Charges 2x
Let Mark charge y; 2x = y/3 or y = 6x
x+2x+6x = 162
9x = 162
Therefore x = 162/9 = 18
Mark charges 18*6 = 108
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thats the wrong answer

by yvonne12 » Tue Apr 10, 2007 2:53 pm
the answer is 90.
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can somoene please explain this to me

by yvonne12 » Tue Apr 10, 2007 4:45 pm
The answer is 90. I dont know where you got 2x=y3 if pat charged twic than kate and a 1/3 than mark it should be

p=2k + m/3

Im stcuk can someone help me on this??
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by Tame the CAT » Tue Apr 10, 2007 5:59 pm
The answer is 108.

Mark charged 108
Pat charged 36
Kat charged 18

108+36+18 = 108

90 is wrong.

P + P/2 + 3P = 162
p = 36

M = 3P = 108
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by Cybermusings » Tue Apr 10, 2007 11:23 pm
whats the answer? 108 or 90?
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wrong

by yvonne12 » Wed Apr 11, 2007 8:35 am
The Gmat prep shows 90 as the answer.
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Re: wrong

by gabriel » Wed Apr 11, 2007 9:07 am
yvonne12 wrote:The Gmat prep shows 90 as the answer.

... if the q is correct then the answer is 108....
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yes

by yvonne12 » Wed Apr 11, 2007 5:52 pm
Guys, Im sorry. Its how many more hours did Mark charge than Kate and the answer is

108-18=90
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by Cybermusings » Thu Apr 12, 2007 3:33 am
no hassles....as long as it has worked out fine :)
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