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

Best buy is the 14 ounces for $3.36

Explanation:

Unit prices:

1.56/ 6 = Cost $0.26 per ounce

3.36/14 = Costs $0.24 per ounce

5.60/20 = Costs $0.28 per ounce