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)\"\" \"About 
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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
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