Question

Venetta has a 25-gallon fish tank. So far, she has poured 16 quarts of water into the tank. How much more water does she need to add to completely fill the tank?

Answer 1

21 gallons

Explanation:

4 quarts = 1 gallon

16 quarts = 4 gallons

25 gallon - 4 gallons = 21 gallons