document.write( "Question 906513: At the local grocery store, apples are $1.20 per pound and oranges are $1.80 per pound. If the grocer wants to offer a 1.57-pound bag of mixed fruit for $1.62 per pound, how many pounds of apples must he use?
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Algebra.Com's Answer #549908 by richwmiller(17219)\"\" \"About 
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a+b=1.57,
\n" ); document.write( "1.2*a+1.8*b=1.62*1.57
\n" ); document.write( "a=1.57-b
\n" ); document.write( "1.2*(1.57-b)+1.8*b=2.5434
\n" ); document.write( "1.884-1.2b+1.8*b=2.5434
\n" ); document.write( "0.6*b=0.6594
\n" ); document.write( "b=1.099
\n" ); document.write( "a=1.57-b
\n" ); document.write( "a=0.471 lb. at $1.20
\n" ); document.write( "b=1.099 lb. at $1.80
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\n" ); document.write( "1.2*0.471+1.8*1.099=1.62*1.57
\n" ); document.write( "0.5652+1.9782=2.5434
\n" ); document.write( "2.5434=2.5434
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