document.write( "Question 1056498: A purse contains 40 nickels and dimes. If the total value is $3.25, find out how many of each coin is in the purse.
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Algebra.Com's Answer #671605 by ikleyn(52810) $\"\"$ $\"About$

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\n" ); document.write( "A purse contains 40 nickels and dimes. If the total value is $3.25, find out how many of each coin is in the purse.
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document.write( " n +   d =  40,     (1)\r\n" );
document.write( "5n + 10d = 325      (2)\r\n" );
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document.write( "It is your system.\r\n" );
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document.write( "Express n = 40 - d from (1) and substitute it into (2). You will get\r\n" );
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document.write( "5(40-d) + 10d = 325,\r\n" );
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document.write( "200 - 5d + 10d = 325,\r\n" );
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document.write( "5d = 325-200,\r\n" );
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document.write( "5d = 125,\r\n" );
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document.write( "d =  = 25.\r\n" );
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document.write( "Answer.  25 dimes and 40-25 = 15 nickels.\r\n" );
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\n" ); document.write( "\n" ); document.write( "There is entire bunch of lessons on coin problems\r
\n" ); document.write( "\n" ); document.write( "    - Coin problems\r
\n" ); document.write( "\n" ); document.write( "    - More Coin problems\r
\n" ); document.write( "\n" ); document.write( "    - Solving coin problems without using equations\r
\n" ); document.write( "\n" ); document.write( "    - Kevin and Randy Muise have a jar containing coins\r
\n" ); document.write( "\n" ); document.write( "    - Typical coin problems from the archive\r
\n" ); document.write( "\n" ); document.write( "    - More complicated coin problems\r
\n" ); document.write( "\n" ); document.write( "    - Solving coin problems mentally by grouping without using equations\r
\n" ); document.write( "\n" ); document.write( "    - Santa Claus helps solving coin problem\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "Read them and become an expert in solution of coin problems.\r
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Coin problems\".\r
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