一道PP题目求解

caicainiao

23.At least 100 students at a certain high school study Japanese. If 4 percent of the students at the school who study French also study Japanese, do more students at the school study French than Japanese?
(1)16 students at the school study both French and Japanese.

(2)10 percent of the students at the school who study Japanese also study French.
这种题目掌握不太好，请牛人帮忙解决一下，我选了C.谢谢。

myice

条件2画个图就好了，一个大圆一个小圆..相交的部分就是既学日语又学法语的人

条件1因为题目一开始有个at least,所以总的学生人数不确定,算不出来..
引自www.beyondgmat.cn

caicainiao

答案是B，不好意思，刚才忘说了

myice

答案是选B吗