Question

Find the cost per ounce of a sunscreen made from 120 oz of lotion that cost $3.45 per ounce and 90 oz of lotion that cost $11.15 per ounce.

$ per ounce

Step 1

It is given that, sunscreen is made from 120 oz of lotion that cost $3.45 per ounce and 90 oz of lotion that cost $11.15 per ounce.

Step 2

The cost of one ounce of first lotion is $3.45 per ounce

The cost of 120 oz of of first lotion is obtained as shown below:

Step 3

The cost of one ounce of second lotion is $11.15 per ounce

The cost ...

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