10 quarts.
Two half-gallons.
It makes a half a gallon. Four quarts equal one gallon. Two quarts equal 1/2 gallon
Two quarts is 1/2 of a gallon.
6.
4 quarts in 1 gallon, do the math.
2 gallons is 8 quarts
There are 4 quarts for every 1 gallon. One way to solve this problem would be to combine our 2 half gallons into 1 whole gallon, and, using the conversion stated above to reach the conclusion that there are 4 quarts in 2 half gallons. Alternatively, knowing that there are 2 quarts in a half it becomes obvious that there are 4 quarts in two half gallons.
9 gallons, 6 quarts = 10 gallons, 2 quarts
There are ten quarts in two and one half gallons.
10 qts 1 gallon = 4 quarts 1 quart = 0.25 gallon
There are 4 quarts in each gallon. So the two measures are the same.
Five gallons minus nine quarts is equal to two gallons and 3 quarts.