Jenna’s Children

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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?

Review: Jenna's Children


Explanation

Let's call the number of children of Luisa and Jenna L and J, respectively. Then we know that





We want to solve for J. We can substitute L into the second equation.







The correct answer is (A).


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