25 quartz
1 quart equals one-fourth of a gallon because there are fours quarts in one gallon. Another way to say that is 1 quart equals .25 gallons.
20 quarts equals 5 gallons
16 quarts equals four gallons.
129 gallons equals 516 quarts.
51 quarts is 12.75 gallons.
Since 4 quarts equals 1 gallon, therefore 12 quarts equals 3 gallons.
15 gallons
3 gallons
1 gallon equals 4 quarts, so 8 quarts is equal to 2 gallons.
1.5 US quarts = 0.375 US gallons
One gallon equals 4 quarts.
There are four quarts in a gallon, so it would be two gallons.