gwd1 中的 Q17 求解啊。。谢谢咯

cjc0611

In Town X, 64 percent of the population are employed, and 48 percent of the population are employed males.What percent of the employed people in Town X are females?


A.16%
B.25%
C.32%
D.40%
E.52%  怎么做啊？？？谢谢了。。。

Rainbeauty

Here is the reasoning:
suppose total population=X
thus,
Employees=0.64X and Employed males=0.48X
So,
ratio of the employed male to employees in total=3/4
ratio of the employed female to employees in total=1/4
B