Hi there!
First, we'll subtract 48 from 231 because we need to figure out how many cookies in total were given out to the fourth grade classes. This leaves us with 183 cookies for all classes. Then, we need to divide 183 by 3 to figure out how many cookies each fourth grade class got. Doing this leaves us with 61 cookies per class.
Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
