There are 4 quarts in one gallon. Therefore, 21 quarts is equal to 21/4 = 5.25 gallons.
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21 quarts is equal to 5.25 gallons. One gallon is equivalent to 4 quarts.
To subtract 2 gallons 3 quarts from 5 gallons 1 quart, you first convert everything to quarts (1 gallon = 4 quarts). So, 5 gallons 1 quart = 21 quarts and 2 gallons 3 quarts = 11 quarts. Subtracting 11 quarts from 21 quarts gives you 10 quarts, which can be converted back to gallons and quarts (10 quarts = 2 gallons 2 quarts).
There are 9.75 gallons and 39 quarts.
Sixteen gallons have 64 quarts.
There are 48 quarts in 12 gallons.