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)![]() ![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " |