To celebrate the first day of school, Jackson brought in a tray of caramel brownies and walnut brownies. He brought 10 caramel brownies and 15 walnut brownies. What percentage of the brownies were caramel?

Answer:
40%
Step-by-step explanation:
I divided 10 by 25.
25 is the total amount of brownies.
10 is the amount of caramel brownies.