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Kaplan - percentage

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Kaplan - percentage

by schumi_gmat » Sun Sep 07, 2008 8:04 am
Attached is the problem, I need some help.

I tried to solve it but i did not understand why the answer is 50%. The solution given by kaplan is very difficult to understand

Need a simpler solution

Thanks
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kaplan-prob1.jpg
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Re: Kaplan - percentage

by sudhir3127 » Sun Sep 07, 2008 8:07 am
schumi_gmat wrote:Attached is the problem, I need some help.

I tried to solve it but i did not understand why the answer is 50%. The solution given by kaplan is very difficult to understand

Need a simpler solution

Thanks
Please search before starting a new thread.. this Question has been answered last week....
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by cramya » Sun Sep 07, 2008 8:18 am
Using a table makes it easier


POOL NOPOOL

SAUNA 30 N/A


NOSAUNA .40X N/A


TOTAL X

30+.40X = X

30 = .6X

X=50%
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by cramya » Sun Sep 07, 2008 8:21 am
The table din't come out right in my previous post. I have included it as an attachment.
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prob1.txt
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