【GMAT考满分数学PS题库】Of the films Empty Set Studios released last year,_真题_答案

Manhattan - 数学PS - 70

题目内容

Of the films Empty Set Studios released last year, 60% were comedies and the rest were horror films. 75% of the comedies were profitable, but 75% of the horror movies were unprofitable. If the studio made a total of 40 films, and broke even on none of them, how many of their films were profitable?

A18
B19
C20
D21
E22

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正确答案: E

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