Step-by-step explanation:
one gallon is equal to 4 quarts
so one way you can do this problem is 4+4+4+4+4+4+4+3 and your answer would be 31. another way you could to it would be (4•7)+3 do the math first you would get 28 then you add 3 and your answer would be 31.
Therefore
ANSWER:31 quarts.