【GMAT考满分数学PS题库】Of the 120 passengers on Flight 750, 50% are femal_真题_答案

Manhattan - 数学PS - 14

题目内容

Of the 120 passengers on Flight 750, 50% are female. 10% of the passengers sit in first class, and the rest of the passengers sit in coach class. If 1/3 of the passengers in first class are male, how many females are there in coach class?

A44
B48
C50
D52
E56

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正确答案: D

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Manhattan

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