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题目材料：
In 1998 the ratio of the number of female temporary employees to the number of male temporary employees was 1 to x, where x > 0. In terms of x, what was the number, in thousands, of female temporary employees in 1998?
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A.253(x -1)
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B.253(x +1)
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C.$$\frac{253}{x}$$
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D.$$\frac{253}{x -1}$$
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E.$$\frac{253}{x +1}$$
E显示答案
