Answer:
8
Step-by-step explanation:
First we find out how many m&m's in total there are in the bag.
If 6(yellow) is equal to 20% and 20% is equal to 1/5 we just need to multiply 6 by 5 to get the total in bag.
6 x 5 = 30
Now we know the total in bag, so we just add all the numbers we know together 6 + 5 + 4 + 7 = 22
If there are 30 in total and there are 22 other colors the answer is
30 - 22 = 8
