The recipe for a holiday punch calls for 7 cups of fruit drink and 3 cups of ginger ale. Suppose you want to make as much punch as you can using all of the fruit drink you have, which is 22 cups. How many cups of ginger ale would you need? Round to the nearest tenth of a cup.
A) 15.7 cups
B) 51.3 cups
C) 6.3 cups
D) 9.4 cups

Question

Quizplus · Accepted Answer

To maintain the ratio of 7 cups of fruit drink to 3 cups of ginger ale, you set up the proportion 7/3 = 22/x, where x is the amount of ginger ale needed. Solving for x gives x = (3/7) * 22 = 9.4286, which rounds to 9.4 cups.

The Recipe for a Holiday Punch Calls for 7 Cups