1 quart has 2 pints, so each pitcher holds 4 pints -- 12 pints all together. So 15-12 = 3 pints that will not fit into the pitchers. 3 pints is equal to 1.5 quarts!
Step-by-step explanation: The pool is being drained by gallons so what I did was subrtacted the gallons that are drained in 9 minutes and 2 minutes. :D ✨