Question

a certain shampoo is available in two sizes. a 12.6 - ounce bottle costs $2.37. a 25.3 - ounce bottle costs $5.24. find the unit price for each size. then state which size is the better buy based on the unit price. round your answers to the nearest cent. unit price for the 12.6 - ounce bottle: $ per ounce unit price for the 25.3 - ounce bottle: $ per ounce the better buy: the 12.6 - ounce bottle the 25.3 - ounce bottle neither (they have the same unit price)

Explanation:

Step1: Calculate unit - price of 12.6 - ounce bottle

Divide cost by volume. $2.37\div12.6\approx0.19$ (rounded to nearest cent).

Step2: Calculate unit - price of 25.3 - ounce bottle

Divide cost by volume. $5.24\div25.3\approx0.21$ (rounded to nearest cent).

Step3: Compare unit - prices

Since $0.19<0.21$, the 12.6 - ounce bottle is a better buy.

Answer:

Unit price for the 12.6 - ounce bottle: $0.19$ per ounce
Unit price for the 25.3 - ounce bottle: $0.21$ per ounce
The better buy: The 12.6 - ounce bottle