GMAT Prep2?? (Male)

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GMAT Prep2?? (Male)

by dferm » Thu May 15, 2008 4:32 pm
Please Help...

I am having problems with DS..
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by wawatan » Sat May 17, 2008 10:05 pm

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by netigen » Sat May 17, 2008 10:46 pm
Here is the solution:

from the question stem

0.72m+0.8f = number of students applied to college

from (a) m+f=840 (insufficient)

from (b) 0.72m+0.8f = 0.75(m+f)
solve this eq to get f=3/5m

m+f = m+3/5m=8/5m

or m = 5/8 (total students)