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求解一道GMAT数学题……

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/11/06 04:46:06
求解一道GMAT数学题……
Is the number of members of ClubXgreater than the
number of members of Club Y
(1) Of the members of Club X,20 percent are also
members of Club Y.
(2) Of the members of Club Y,30 percent are also
members of Club X.
这是Data efficiency中的……
说明x的20%是y的30%,因此x比y的人数多.
希望对你有所帮助