document.write( "Question 1054006: 1. Kevin and randy Muise have a jar containing 70 coins. All of which are either quarters or nickels. The total value of the coins in the jar is $10.90. How many of each type of coin do they have?\r
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Algebra.Com's Answer #669220 by ikleyn(52794) $\"\"$ $\"About$

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\n" ); document.write( "Kevin and randy Muise have a jar containing 70 coins. All of which are either quarters or nickels.
\n" ); document.write( "The total value of the coins in the jar is $10.90. How many of each type of coin do they have?
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\n" ); document.write( "\n" ); document.write( "There is a special lesson in this site devoted to this kind of problems\r
\n" ); document.write( "\n" ); document.write( " - Kevin and Randy Muise have a jar containing coins\r
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document.write( "I will show you how to solve this coin problem by reducing it to one single equation in one unknown.\r\n" );
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document.write( "Let n = the number of nickels.\r\n" );
document.write( "Then the number of quarters is (70-n).\r\n" );
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document.write( "The nickels value is 5n.\r\n" );
document.write( "The quarters value is 25*(70-n).\r\n" );
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document.write( "The \"total value equation\" is\r\n" );
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document.write( "5n + 25*(70-n) = 1090    (written in cents).\r\n" );
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document.write( "5n + 1750 - 25n = 1090,\r\n" );
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document.write( "-20n = 1090 - 1750,\r\n" );
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document.write( "-20n = -660,\r\n" );
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document.write( "n =  = 33.  There are 33 nickels.\r\n" );
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document.write( "And 70-33 = 37 quarters.\r\n" );
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document.write( "Check. 5*33 + 25*37 = 1090.    Correct!\r\n" );
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document.write( "Answer.  33 nickels and 37 quarters.\r\n" );
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\n" ); document.write( "\n" ); document.write( "There is entire bunch of the 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( "    - OVERVIEW of lessons on coin word problems\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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