In a large investment firm, 25 percent of the male employees and 30 percent of the female employees are stockbrokers. If 60 percent of the firm's employees are males, what is the ratio of the number of male stockbrokers to the number of female stockbrokers?
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A6 to 5
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B5 to 4
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C3 to 2
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D4 to 3
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E5 to 2
显示答案
正确答案: B