document.write( "Question 1151475: you have 30 coins how many nickles and dimes does it take to make $2.10 \n" ); document.write( "

Algebra.Com's Answer #773231 by ikleyn(52803) $\"\"$ $\"About$

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document.write( "5N + 10*(30-N) = 210 cents\r\n" );
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document.write( "5N - 10N = 210 - 10*30\r\n" );
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document.write( "   -5N = -90\r\n" );
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document.write( "     N = 18.\r\n" );
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document.write( "ANSWER.  18 nickels and 12 dimes.\r\n" );
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