SOLUTION: Find the cost per ounce of a sunscreen made from 110 oz of lotion that cost $3.45 per ounce and 90 oz of lotion that cost $13.05 per ounce.

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Question 943482: Find the cost per ounce of a sunscreen made from 110 oz of lotion that cost $3.45 per ounce and 90 oz of lotion that cost $13.05 per ounce.
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
Total cost =110oz($3.45/oz)+90oz($13.05/oz)
Total cost=$379.50+$1174.50=$1554
Total amount=110 oz+ 90 oz=200 oz
Cost/oz=total cost/ no ounces=$1554/200 oz=$7.77/oz ANSWER Cost is $7.77 per ounce