document.write( "Question 238465: At a health food store, dried apple slices that cost $1.80 per pound are mixed with dried banana slices that cost $2.10 per pound. If the mixture weighs 5 pounds and costs $1.92 per pound, how many pounds of apple slices were used?\r
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document.write( "A) 1.5 pounds of apples B) 2 pounds of apples C) 3 pounds of apples\r
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document.write( "D) 3.5 pounds of apples E) none of these \n" );
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Algebra.Com's Answer #175226 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2.10X+1.80(5-X)=1.92*5 \n" ); document.write( "2.10X+9-1.80X=9.6 \n" ); document.write( ".3X=9.6-9 \n" ); document.write( ".3X=.6 \n" ); document.write( "X=.6/.3 \n" ); document.write( "X=2 POUNDS OF BANANA SLICES IS USED. \n" ); document.write( "5-2=3 POUNDS OF APPLE SLICES IS USED. \n" ); document.write( "ANSWER C). \n" ); document.write( "PROOF: \n" ); document.write( "2.10*2+1.8*3=1.92*5 \n" ); document.write( "4.2+5.4=9.6 \n" ); document.write( "9.6=9.6 \n" ); document.write( " \n" ); document.write( " |