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)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( "check \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 \n" ); document.write( " \n" ); document.write( " |