【GMAT考满分数学PS题库】x is 30% more than y, and y is 40% less than z, Wh_真题_答案_解析 GMAT考满分官网

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题目内容

x is 30% more than y, and y is 40% less than z, What was the percent decrease from z to x?

A10%
B6%
C4%
D2%
E22%

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正确答案: E

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