To calculate how much money Wanda made in one week, you multiply her hourly wage by the number of hours she worked.
Wanda's hourly wage is $13, and she worked 25 hours.
Calculation:
\[ 13 \text{ (dollars per hour)} \times 25 \text{ (hours)} = 325 \text{ dollars} \]
So, Wanda made $325 that week.