Answer:
yes he drank 2.25 quarts
Explanation:
convert the cups to quarts
1 cup = 0.25 quarts
3 cups x 0.25 = 0.75 quarts
convert the pints to quarts
1 pint = 0.5 quarts
add all the amount of water drank together
0.75 quarts + 1 quart + 0.5 quarts = 2.25 quarts