Question

A 12-ounce Pepsi contains 54 mg of caffeine. A can of Red Bull (8.2 oz) has 80 mg of caffeine.

a. What is the average caffeine content per ounce of Pepsi? Round your answer to the nearest tenth, if needed.

Answer 1

The average caffeine content per ounce of Pepsi is 4.5 gm

Explanation:

Given :A 12-ounce Pepsi contains 54 mg of caffeine

To Find : What is the average caffeine content per ounce of Pepsi? Round your answer to the nearest tenth, if needed.

Solution :

A 12-ounce Pepsi contains 54 mg of caffeine.

We are supposed to find the average caffeine content per ounce of Pepsi

Amount of caffeine in 12 ounces of Pepsi = 54 mg

Amount of caffeine in 1 ounce of Pepsi =
`(54)/(12)`

=
`4.5`

Hence the average caffeine content per ounce of Pepsi is 4.5 gm

Answer 2

4.5 mg per ounce

Explanation:

To find the average caffeine content per ounce of Pepsi, take the caffeine and divide by the ounces

54 mg/12 ounces

4.5 mg per ounce