Question

A grocery store sells an 18 ounce container of peanut butter for $3.28. What is the cost per ounce (unit price)?

Answer 1

Answer:  The cost per ounce of the peanut butter is $0.182.

Step-by-step explanation:  Given that a grocery store sells an 18 ounce container of peanut butter for $3.28.

We are to find the cost per ounce of peanut butter.

We will be using the UNITARY method to solve the problem.

Cost of 18 ounces of peanut butter = $3.28.

So, the cost of 1 ounce of peanut butter is given by

$\dfrac{3.28}{18}=\ 0.182.$

Thus, the cost per ounce of the peanut butter is $0.182.

Answer 2

Here,
cost of 18 ounce container of peanut butter = $3.28
cost of 1 ounce container of peanut butter = $3.28/18
                                                                    =$0.182