GMAT Club Tests | Re: M00-02

Official Solution:

Among the 750 employees of Massco Corporation 60% are women, and 90% are non-smokers. If 80% of the smokers are men, what is the number of female non-smokers?

A. 58
B. 240
C. 435
D. 450
E. 780

* S N T M 8 32 40 W 2 58 60 T 10 90 100