document.write( "Question 157026: I need help working this problem.
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document.write( "1.A student assistant at a university copy center has some nickels and dimes to use for change when students make copies. The value of the coins is $7.40. There are 26 more dimes than nickels. How many of each kind of coin are there? \r
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document.write( "This is not from a text book. \n" );
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Algebra.Com's Answer #115797 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .05x+.10(x+26)=7.40 \n" ); document.write( ".05x+.10x+2.60=7.40 \n" ); document.write( ".15x=7.40-2.60 \n" ); document.write( ".15x=4.80 \n" ); document.write( "x=4.80/.15 \n" ); document.write( "x=32 is the number of nickels. \n" ); document.write( "32+26=58 dimes. \n" ); document.write( "Proof: \n" ); document.write( ".05*32+.10*58=7.40 \n" ); document.write( "1.60+5.80=7.40 \n" ); document.write( "7.40=7.40 \n" ); document.write( " |