At a certain university, 60% of the professors are women, and 70% of the
professors are tenured. If 90% of the professors are women, tenured, or both,
then what percent of the men are tenured?
我想问的是有60%教授是女性，那是否在这60%中女性的教授有70%是终生职?
这样是否女性又是终生职的就占了60%*70%=42%? 虽然这样算必错 但想知道错在哪~
有点被这种题目给搞混 快考试了 请大神救救我