document.write( "Question 1188363: Rob and Charles have 36 coins that are nickels and dimes. If the value of the coins is $3.00, how many more dimes than nickels do they have ? Please help me. \n" ); document.write( "

Algebra.Com's Answer #819430 by ikleyn(52810) $\"\"$ $\"About$

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\n" ); document.write( "Rob and Charles have 36 coins that are nickels and dimes. If the value of the coins is $3.00,
\n" ); document.write( "how many more dimes than nickels do they have ? Please help me.
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document.write( "d dimes and (36-d) nickels.\r\n" );
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document.write( "Write the \"money equation\"\r\n" );
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document.write( "    10d + 5*(36-d) = 300  cents.\r\n" );
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document.write( "Simplify and find d\r\n" );
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document.write( "    10d + 180 - 5d = 300\r\n" );
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document.write( "    10d - 5d = 300 - 180\r\n" );
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document.write( "       5d    =     120\r\n" );
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document.write( "        d    =     120/5 = 24.\r\n" );
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document.write( "ANSWER.  24 dimes and  36-24 = 12 nickels.\r\n" );
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document.write( "         24-12 = 12 dimes more than nickels.\r\n" );
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