To determine what percent of Jenna's money Emma has after receiving $25, we can follow these steps:
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Identify Jenna's total money: Jenna has $40.
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Identify the amount Emma received: Emma receives $25.
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Calculate the percentage of Jenna's total money that Emma has using the formula:
\[ \text{Percentage} = \left( \frac{\text{Amount Emma has}}{\text{Total amount Jenna has}} \right) \times 100 \]
Plugging in the values:
\[ \text{Percentage} = \left( \frac{25}{40} \right) \times 100 \] \[ \text{Percentage} = 0.625 \times 100 = 62.5% \]
Thus, Emma has 62.5% of Jenna's money. The correct answer is:
d. 62.5%