Question

Three-fifths of the twenty puppies ate all their food.

How many puppies did not eat all their food?​

Answer 1

8

Explanation:

3/5 × 20 = 12

20 - 12 = 8

so 8 puppies did not eat all their food.

Answer 2

3/5 of 20= 20/5= 4
4*3=12

2/5 of 20= 20/5=4
4*2=8

Answer =8