To find the amount of punch used at the party, subtract the amount left from the amount brought: 2 1/2 - 3/8 = 2.5 - 0.375 = <<2.5-0.375=2.125>>2.125 liters.
Diego used 2.125 liters of punch at the party. Answer: \boxed{2.125}.
Diego brought 2 1/2 liters of punch to a party. After the party, 3/8 of a liter of punch was left. How much punch was used at the party?
1 answer