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  3. Questions are based on the following data. In 1998 the ratio of the number of female temporary employees to the number of male

Questions are based on the following data. In 1998 the ratio of the number of female temporary employees to the number of male

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问题 Questions are based on the following data.

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?
选项 A、253(x-1)
B、253(x+1)
C、253/x
D、253/(x-1)
E、253/(x+1)
答案E
解析 根据题意，女性F：男性M=1：x，又根据左图，F+M=253。解得F=253／(1+x)，故答案为E。
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