Question

A punch recipe says to mix 4 cups pineapple juice, 8 cups orange juice, and 12 cups seltzer in order to make 18 servings of punch. How many servings can be made from 108 cups of punch?

Answer 1

The basic recipe would produce the following quantity of punch:

4 c. + 8 c. + 12 c., or 24 c.

18 servings 24 cups
---------------- = --------------
x 108 cups

24x = 18(108) = 1944 so x = 81 servings