By taking the product between the number of boys and the number of rocks that each gets, we conclude that they collected 75 rocks.
We know that there are 3 boys, and each boy collected 25 rocks.
If we take the product between the number of boys and the number of rocks that each boy collected, we get:
R = 3*25 rocks = 75 rocks.
We conclude that the boys collected 75 rocks in total.
If you want to learn more about products:
https://brainly.com/question/10873737
#SPJ1