document.write( "Question 1100800: Martina bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $150 more than the desktop. She paid for the computers using two different financing plans. For the desktop the interest rate was 7% per year, and for the laptop it was 5.5% per year. The total finance charges for one year were
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document.write( "$227. How much did each computer cost before finance charges? \r
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document.write( "Desktop: $_______
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document.write( "Laptop: $________ \n" );
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Algebra.Com's Answer #715634 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! Let n be the cost of the desktop; and n+150 be the cost of the laptop. Then: \n" ); document.write( ".07n+.055(n+150)=227 \n" ); document.write( ".125n=218.75 \n" ); document.write( "n=1750 \n" ); document.write( "n+150=1900 \n" ); document.write( "The desktop cost $1750; \n" ); document.write( "The laptop cost $1900 \n" ); document.write( "☺☺☺☺ \n" ); document.write( " |