Question

There are 20 guests at a party. The host has 8 gallons of punch. He estimates that each guest will drink 2 cups of punch. If his estimate is correct, how much punch will be left over at the end of the party?

Answer 1

8 gallons = 128 cups
20 guests x 2 cups= 40 cups of punch estimated
128 cups-40 cups = 88 cups left over.

Answer 2

8 gallons = 128 cups
40 cups are used. (20 x 2)
128 - 40 = 88.
Hope this helped!