PREP一道数学DS题求解

mcxd · 发表于 2009-11-17 22:48:40

Each person in a certain group supports only one of the two candidates R and T. Of the people in the group, 45 percent support Candidate R and the rest support Candidate T. How many people in the group are in favor of a flat tax?

(1) Of the people in the group who support Candidate R, 58 percent are in favor of a flat tax.

(2) the people in the group who support Candidate T, 22 are in favor of a flat tax.

请大家帮忙!!多谢

genius_fang · 发表于 2009-11-17 23:03:35

选E吧~~~具体人数都不知道，不可能算出支持R的里面多少事喜欢flat tax的~~

mcxd · 发表于 2009-11-17 23:07:12

啊原来如此....我还在想,该怎么列式子

PREP一道数学DS题求解

所属分类: GMAT考试

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