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Graduating Students

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Graduating Students

by yourshail123 » Mon Nov 12, 2012 8:51 am
What fraction of this year's graduating students at a certain college are males?
A) Of this year's graduating students, 33 percent of the males and 20 percent of the females transferred from another college.
B) Of this year's graduating students, 25 percent transferred from another college.
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by Anindya Madhudor » Mon Nov 12, 2012 11:26 am
Need to find M/M+F

From A) 0.33M +0.2F transferred from another college. This is not enough to find M/M+F
From B) 0.25(M+F) transferred from another college. This is also not enough by itself.
Combining A and B, 0.33M + 0.2F =0.25(M+F) , which gives, M = (5/8) F. Now use this to find M/M+F. Using both statements you can solve the problem.
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