P2 DS 127

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127.If 2/5 of the students at College C are business majors, what is the number of female students at College C ?

(1) 2/5 of the male students at College C are business majors.

(2) 200 of the female students at College C are business majors.

ANS:C

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thanks everybody~~~

我在pp數學完整版找到了我要的答案~~~