document.write( "Question 1016325: A piggy bank contains $17.35 in nickels, dimes and quarters.
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Algebra.Com's Answer #632741 by Edwin McCravy(20056)\"\" \"About 
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A piggy bank contains $17.35 in nickels, dimes and quarters.
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document.write( "$0.05N + $0.10D + $0.25Q = $17.35\r\n" );
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document.write( "Erase $'s and multiply by 100\r\n" );
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document.write( "5N + 10D + 25Q = 1735\r\n" );
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document.write( "Divide through by 5\r\n" );
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document.write( "N + 2D + 5Q = 347\r\n" );
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document.write( "Q = N + 3\r\n" );
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document.write( "D = 2Q\r\n" );
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document.write( "\"system%28N+%2B+2D+%2B+5Q+=+347%2CQ=N%2B3%2CD=2Q%29\"\r\n" );
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document.write( "\"system%28N+%2B+2D+%2B+5Q+=+347%2C-N%2BQ=3%2CD-2Q=0%29\"\r\n" );
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document.write( "Add the first two equations to eliminate N's\r\n" );
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document.write( "Divide the first equation through by -2\r\n" );
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document.write( "Add the equations:\r\n" );
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document.write( "Edwin
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