...o answer this question, we have to know that 1 gallon is defined as 4 quarts. Therefore, based on this knowledge, we can easily convert between number of gallons and number of quarts by simply taking ...
There are 4 quarts to a gallon. 2 quarts then equals a half gallon. Your question is, then, how many quarts are there in 2.5 gallons. 2.5 gallons * 4 = 10 quarts.