SOLUTION: find the cost per ounce of sunscreen made from 80 oz of lotion that cost $3.00 per ounce and 20 oz of lotion $8.50 per ounce.

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Question 446219: find the cost per ounce of sunscreen made from 80 oz of lotion that cost $3.00 per ounce and 20 oz of lotion $8.50 per ounce.
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
80*3+20*8.5=100*x