document.write( "Question 159688: Ten cups of a restaurnant's house italian dressing is made by blending olive oil costing $ 1.50 per cup with vinegar that cost $.25 per cup. how many cups of each are used if the cose of the blend is $.50 per cup \n" ); document.write( "
Algebra.Com's Answer #117741 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 1.50X+.25(10-X)=.5*10 \n" ); document.write( "1.5X+2.5-.25X=5 \n" ); document.write( "1.25X=5-2.5 \n" ); document.write( "1.25X=2.5 \n" ); document.write( "X=2.5/1.25 \n" ); document.write( "X=2 CUPS OF $1.50 OLIVE OIL IS USED. \n" ); document.write( "10-2=8 CUPS OF $.25 VINEGAR IS USED. \n" ); document.write( "PROOF: \n" ); document.write( "1.5*2+.25*8=5 \n" ); document.write( "3+2=5 \n" ); document.write( "5=5 \n" ); document.write( " |