A grocery store sells an 18 ounce container of peanut butter for $3.28. What is the cost per ounce (unit price)?
2 answers:
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
Thus, the cost per ounce of the peanut butter is $0.182.
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The side of box will be and
.
The height of the box will be .
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Now we will use FOIL to simplify our expression.
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Therefore, the volume of the box would be .
