Question

At a​ supermarket, a​ 6-ounce bottle of brand A salad dressing costs​ $1.56. A​ 14-ounce bottle costs​ $3.36. A​ 20-ounce bottle costs​ $5.60. What unit prices do you need to know to find the best ​ buy? What is the best ​ buy?

Answer 1

The 14-ounce bottle of salad dressing.

Explanation:

1.56/6 = $0.26

3.36/14 = $0.24

5.60/20 = $0.28

The lowest unit price is the 14-ounce bottle of salad dressing. The best buy is the 14-ounce bottle of salad dressing.