Wednesday, September 22, 2010

In a certain senior class, 72% of the male students and 80% of the female students have applied to college. What fraction of the students in the senior class are male?

1) There are 840 students in the senior class
2) 75% of the students in the senior class have applied college





Stmt 2)
Use wieghted averages....
M/F = 80-75/75-72
Suff

stmt 1)
Cannot find the overall ration of M to F...

Insuff

Ans : B

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