Question

3. A recipe calls for 2 cups of sugar to make 2 dozen cookies. Use the proportion to calculate how much sugar is needed to make 6 dozen cookies.

A. 2 cups
B. 4 cups
C. 6 cups***
D. 12 cups

Answer 1

C. 6 cups of sugar.

Answer 2

c. 6 cups

Explanation:

The proportion is 1 cup of sugar for 1 dozen cookies (1/1). So if you multiply the denominator by 6 you must multiply the numerator by 6, and 6*1=6. Therefore you need 6 cups of sugar to make 6 dozen cookies.