document.write( "Question 1085394: The total value of a collection of quarters and dimes is $3.25. If the total number of coins is 22, how many of each type of coin are there \n" ); document.write( "

Algebra.Com's Answer #699481 by ikleyn(52852) $\"\"$ $\"About$

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document.write( "Let the number of quarters is Q.\r\n" );
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document.write( "Then the number of dimes is (22-Q).\r\n" );
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document.write( "Your \"value equation\" is\r\n" );
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document.write( "10*(22-Q) + 25Q = 325  cents.\r\n" );
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document.write( "220 - 10Q + 25Q = 325.\r\n" );
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document.write( "15Q = 325 - 220\r\n" );
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document.write( "Q =  = 7.\r\n" );
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document.write( "Answer.  7 quarters and 22-7 = 15 dimes.\r\n" );
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document.write( "Check.   7*25 + 15*10 = 325 cents.   Correct !!\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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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( "    - OVERVIEW of lessons on coin word problems\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "You will find there the lessons for all levels - from introductory to advanced,
\n" ); document.write( "and for all methods used - from one equation to two equations and even without equations. \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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