(Constant of Proportionality, Graphing Proportional Relationships, Real-World Proportional Problems HC)

A restaurant serves pancakes that are made from a powdered pancake mix. There is a proportional relationship between the number of scoops of powdered pancake mix and the amount of water needed to make them. For every 4 scoops of mix, one half quart of water is needed, and for every 12 scoops of mix, one and one half quarts of water are needed.

Part A: Find the constant of proportionality. Show every step of your work. (4 points)

Part B: Write an equation that represents the relationship. Show every step of your work. (2 points)

Part C: Describe how you would graph the relationship. Use complete sentences. (4 points)

Part D: How many quarts of water are needed for 20 scoops of pancake mix? (2 points)