Answer:
41 quarts (or 10.25 gal)
Explanation:
1 gal = 4 quarts
5 gal = 4 x 5 = 20 quarts
4 gal = 4 x 4 = 16 quarts
hence 4 gal & 3 qts = 16 + 3 = 19 quarts
5 gal + 2 qts + 4gal 3 qts
= 20 quarts + 2 quarts + 19 quarts
= 41 quarts ( = 41/4 = 10.25 gal)