Question

A 20-ounce container of shampoo was $2.60. How much was 1 ounce of shampoo? Round your answer to the nearest cent.

Answer 1

20 * price of 1 ounce = 2.60

price of 1 ounce = 2.60/20

= 0.13 $ = 13 cent

Answer 2

Explanation:

Set up a proportion

x / 1 oz = 2.60 dollars / 20 ounces

Notice your answer is going to be in dollars. the ounces cancel out.

x = 2.60/20

x = 0.13 1 ounce = 13 cents.