If the drama club and music club are combined,what percentage of the combined membership will be male?
(1) Of the 16 members of the drama clubs,15 are male.
(2) Of the 20 members of the music club,10 are male.
我觉得这道题一看就是C啊,为什么答案是E呢?作者: myice 时间: 2010-4-15 10:23