Question

The container that holds the water for the football team is

1/10

full. After pouring in
6

gallons of water, it is
2/5

full. How many gallons can the container hold?

Answer 1

2/5 - 1/10 = 4/10 - 1/10 = 3/10

3/10x = 6
x = 6 * 10/3
x = 60/3
x = 20 gallons