document.write( "Question 263463: Find the cost per ounce of a sunscreen made from 130 oz of lotion that cost $3.41 per ounce and 90 oz of lotion that cost $11.99 per ounce. \n" ); document.write( "
Algebra.Com's Answer #194174 by checkley77(12844)\"\" \"About 
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3.41*130+11.99*90=220X
\n" ); document.write( "443.30+1,079.10=220X
\n" ); document.write( "1,522.4=220X
\n" ); document.write( "X=1,522.4/220
\n" ); document.write( "X=$6.92 COST OF THE MIXTURE PER OZ.
\n" ); document.write( "PROOF:
\n" ); document.write( "3.41*130+11.99*90=220*6.92
\n" ); document.write( "443.30+1,079.10=1,522.40
\n" ); document.write( "1,522.40=1,522.40
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