数学怎么这么差,求助gwd题目！！

sophialj

Q17:

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%

答案是b,我选的a没想明白

qiuhailing01

可能你没读明白题意:问的是受雇的F占X城总人数的比率:你选A得到的只是在受雇人群中F的比率,还要除以受雇人数占总人数的比率.即 (64%-48%)/64% = 25%.

sophialj

cd 好人真的是多阿，谢谢楼上两位美女了