There are 48 balls in a box. If 1/4 of the balls are white, 1/6 of them are blue, 1/8 of them are red and the rest are green, how many balls of each color are there?

1/4 of 48 = 12

1/6 of 48 = 8
1/8 of 48 = 6
so far we counted 26
The remaining 22 must be green