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)\"\" \"About 
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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( "
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