题目信息
In a corporation, 50 percent of the male employees and 40 percent of the female employees are at least 35 years old. If 42 percent of all the employees are at least 35 years old, what fraction of the employees in the corporation are females?
A:$$\frac{2}{5}$$
B:$$\frac{2}{3}$$
C:$$\frac{3}{4}$$
D:$$\frac{4}{5}$$
E:$$\frac{5}{6}$$
参考答案及共享解析

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已选答案:
正确答案:
D:$$\frac{4}{5}$$
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