我在模考的时候遇到这样一道题: If the drama club and music club are combined, what percent of the combined membership will be male? (1) of the 16 members of the drama club, 15 are males (2) of the 20 members of the music club, 10 are males. 答案是E。 是不是这种题目都要考虑有人可能两个club都参加的?谢谢~ |