Question

heather poured 11 gallons of water into an empty tank. It filled the tank, so it was 2/5 full. How many gallons in a full tank

Answer 1

Answer: 27.5 gallons in a full tank

Explanation:

Let's call "x" the entire tank.

After adding 11 gallons, in the end, he has 2/5 tanks full

so the equations would be

11=2/5x

solve for x

x=55/2

x=27.5

27.5 gallons