document.write( "Question 1092241: At a restaurant, four salads, three sandwiches, and one drink cost $51. Three salads, one sandwich, and two drinks cost $32. A salad costs twice as much as a drink. How much does each item cost?
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Algebra.Com's Answer #706829 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Salad=Sl \n" ); document.write( "sandwich=Sh \n" ); document.write( "drinks=D \n" ); document.write( "4Sl+3Sh+1D=51; Sl=2D, so 8D+3Sh+1D=51; \n" ); document.write( "3Sl+1Sh+2D=32, Sl=2D, so 6D+1Sh+2D=32 \n" ); document.write( "9D+3Sh=51 \n" ); document.write( "8D+1Sh=32 \n" ); document.write( "-24D-3Sh=-96, multiplying the second by -3. Now add. \n" ); document.write( "-15D=-45 \n" ); document.write( "D=$3 \n" ); document.write( "Sl=$6 \n" ); document.write( "3 Sh+27=51, so Sh=$8 \n" ); document.write( "Check in second. \n" ); document.write( "$18+$8+6=$32. \n" ); document.write( "Drinks are $3 \n" ); document.write( "Salads are $6 \n" ); document.write( "Sandwiches are $8. \n" ); document.write( " |