Question

Jeremiah needed dog food for his new puppy. He compared the prices and sizes of three types of dog food.

Canine Cakes Bark Bits Woofy Waffles
Size (pounds) 16 50 40
Cost $24 $82 $48


Part A: Calculate the corresponding unit rate for each package. (9 points)

Part B: Determine the best buy using the unit rates found in Part A. Explain your answer. (3 points)

Answer 1

Part A:

Canine Cakes: $1.50 per pound

Bark Bits: $1.64 per pound

Woofy Waffles: $1.20 per pound

Part B:

Woofy Waffles, Woofy Waffles has a lower price per pound than both of the other options

Explanation:

A:

Canine Cakes: 24÷16=1.5

Bark Bits: 82÷50=1.64

Woofy Waffles: 48÷40=1.2

B:

1.2<1.5<1.64