document.write( "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. \n" ); document.write( "
Algebra.Com's Answer #575233 by macston(5194)\"\" \"About 
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Total cost =110oz($3.45/oz)+90oz($13.05/oz)
\n" ); document.write( "Total cost=$379.50+$1174.50=$1554
\n" ); document.write( "Total amount=110 oz+ 90 oz=200 oz
\n" ); document.write( "Cost/oz=total cost/ no ounces=$1554/200 oz=$7.77/oz ANSWER Cost is $7.77 per ounce
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