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document.write( "the cost of 4 apples and 3 oranges is 1.25. the cost of 7 apples minus the cost of 2 oranges is 1.10 what is the cost of 1 apple and 1 orange \n" );
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Algebra.Com's Answer #450798 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 4A+3O=1.25 MULTIPLY BY 2 \n" ); document.write( "7A-2O=1.10 MULTIPLY BY 3 & ADD. \n" ); document.write( "8A+6O=2.50 \n" ); document.write( "21A+6O=3.30 \n" ); document.write( "------------------------ \n" ); document.write( "29A=5.80 \n" ); document.write( "A=5.80/29 \n" ); document.write( "A=$.20 COST OF 1 APPLE. \n" ); document.write( "4*.20+3O=1.25 \n" ); document.write( ".80+3O=1.25 \n" ); document.write( "3O=1.25-.80 \n" ); document.write( "3O=.45 \n" ); document.write( "O=.45/3 \n" ); document.write( "O=$.15 COST OF 1 ORANGE. \n" ); document.write( "PROOF: \n" ); document.write( "7*.20-2*.15=1.10 \n" ); document.write( "1.40-.30=1.10 \n" ); document.write( "1.10=1.10 \n" ); document.write( ".20+.15=$.35 ANS. FOR THE COST OF 1 APPLE & 1 ORANGE. \n" ); document.write( " |