标题: GWD 第二套 33题求解 [打印本页] 作者: luyi1988 时间: 2010-7-5 20:10 标题: GWD 第二套 33题求解 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?
16% 25% 32% 40% 52%
这道题48 percent of the population are employed males理解起来真变妞，希望得到详细解答作者: shelley0507 时间: 2010-7-5 21:16
设有工作的人=x，总人口=y，有工作的男性=z 列两个式子：x/y=64% z/y=48% 解得z/x=3/4 所以有工作女性占得比例是1/4=25%