2 half gallons equal a gallon.
2 quarts equal one half of a gallon.
Two and a half gallons can equal to a few different measurements. You will have to find out that you wanting to measure it too.
6 x 1/2 gallons = 3 gallons.
2.
It is: 1/2+1/2 = 1
-4
It makes a half a gallon. Four quarts equal one gallon. Two quarts equal 1/2 gallon
20 Imperial pints equal two and a half Imperial gallons.
5/2 = 2.5 + 2 = 4.5
1/2 + 1/2 = 1
one and a half is equal to three halves, so: 1/2 * 3/2 = 3/4 = three quarters of a gallon