Answer: There is 15 pints of smoothie he will make.
Step-by-step explanation:
Since we have given that
Amount of strawberry puree = 3 quarts
Amount of lemonade = 1 pint
Amount of water = 1 gallon
we need to find the total amount of smoothie he will make for this we will change into same unit .
1 gallon = 8 pints and,
1 quarts = 2 pints
So,
3 quarts is given by

So, total amount of smoothie is given by

Hence, There is 15 pints of smoothie he will make.