Question

Determine if each situation represents a proportional relationship. Explain your reason 1. A brownie recipe calls for 3 parts cocoa powder to 2 parts flour. Lizzy adds 1/3 cup of cocoa powder and 1/2 cup of flour.​

Answer 1

Lizzy's recipe is not a proportional relationship with the brownie recipe because of the difference in ratio.

Explanation:

Brownie recipe:

Cocoa powder = 3 parts

Flour = 2 parts

Ratio of cocoa powder to flour = 3 : 2

Lizzy's recipe:

Cocoa powder = 1 cup

Flour = 1 cup

Ratio of cocoa powder to flour = 1 : 1