Question

ricardo has a marble collection with 54 blue marbles, 24 red marbles, and 18 yellow marbles. He arranges the marbles into equal rows. The marbles in each row will be the same color. How many marbles can he put in one row?

Answer 1

He can put 32 marbles in each row because you add all the marbles and divided by 3 you get 32

Answer 2

You need to find a number than can easily be divided out between all of the marbles. 

This number would be 6

54/6=9
18/6=3
24/6=4