document.write( "Question 906507: 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 1.55-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 #549899 by richwmiller(17219)\"\" \"About 
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a+b=1.55,
\n" ); document.write( "1.2*a+1.8*b=1.62*1.55
\n" ); document.write( "a=1.55-b
\n" ); document.write( "1.2*(1.55-b)+1.8*b=2.511
\n" ); document.write( "1.86-1.2b+1.8*b=2.511
\n" ); document.write( "0.6*b=0.651
\n" ); document.write( "b=1.085
\n" ); document.write( "a=1.55-b
\n" ); document.write( "a=0.465 lb. at $1.20
\n" ); document.write( "b=1.085 lb. at $1.80
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\n" ); document.write( "1.2*0.465+1.8*1.085=1.62*1.55
\n" ); document.write( "0.558+1.953=2.511
\n" ); document.write( "2.511=2.511
\n" ); document.write( "ok
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