document.write( "Question 224367: A girl buys three apples and seven oranges for $4.56. If an orange cost .28 more than an apple, how much does each fruit cost? \n" ); document.write( "
Algebra.Com's Answer #167670 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 3X+7(X+.28)=4.56 \n" ); document.write( "3X+7X+1.96=4.56 \n" ); document.write( "10X=4.56-1.96 \n" ); document.write( "10X=2.60 \n" ); document.write( "X=2.60/10 \n" ); document.write( "X=.26 COST OF AN APPLE. \n" ); document.write( ".26+.28=.54 COST OF AN ORANGE. \n" ); document.write( "PROOF: \n" ); document.write( "3*.26+7*.54=4.56 \n" ); document.write( ".78+3.78=4.56 \n" ); document.write( "4.56=4.56 \n" ); document.write( " \n" ); document.write( " |