document.write( "Question 133859This question is from textbook algebra 1
\n" ); document.write( ": 4 oranges and 5 apples cost 3.56 three oranges and 4 apples cost 2.76 find the cost of a oranges and the cost of a apple \n" ); document.write( "
Algebra.Com's Answer #97898 by checkley71(8403)\"\" \"About 
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4O+5A=3.56 MULTIPLY THIS EQUATION BY 3.
\n" ); document.write( "3O+4A=2.76 MULTIPLY THIS EQUATION BY -4 & THEN ADD THEM.
\n" ); document.write( "12O+15A=10.68
\n" ); document.write( "-12O-16A=-11.04
\n" ); document.write( "-----------------------------
\n" ); document.write( "-A=-.36
\n" ); document.write( "A=.36 COST OF 1 APPLE.
\n" ); document.write( "4O+5*.36=3.56
\n" ); document.write( "4O+1.80=3.56
\n" ); document.write( "4O=3.56-1.80
\n" ); document.write( "4O=1.76
\n" ); document.write( "O=1.76/4
\n" ); document.write( "O=.44 COST OF 1 ORANGE.
\n" ); document.write( "PROOF
\n" ); document.write( "3*.44+4*.36=2.76
\n" ); document.write( "1.32+1.44=2.76
\n" ); document.write( "2.76=2.76
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