【GMAT考满分数学PS题库】Luisa has _真题_答案_解析 GMAT考满分官网

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题目内容

Luisa has $c$ more children than Jenna has, and together they have a total of $d$ children. Which of the following represents the number of children that Jenna has?

A
$\tfrac{d-c}{2}$
B
$d-\tfrac{c}{2}$
C
$\tfrac{d}{2}-c$
D
$2d-c$
E
$d-2c$

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正确答案: A

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