Answer:
He bought 4 gallons of beverages
Explanation:
1 gallon = 4 quarts
1 quart = 2 pints
1 pint = 2 cups
1 cup = 8 ounces
2×2 pints of milk
= 4 pints




2×2 quarts of orange juice
= 4 quarts


2×16 cups of chocolate milk
= 32 cups






2×32 ounces of lemonade
= 64 ounces








Total of all beverages

= 4 gallons