document.write( "Question 1104603: A newspaper carrier has $7.10 in change. He has six more quarters than dimes but four times as many nickels as quarters. How many coins of each type does he have? \n" ); document.write( "

Algebra.Com's Answer #719318 by ikleyn(52879) $\"\"$ $\"About$

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document.write( "5*N            + 10*D   + 25*Q      = 710    cents\r\n" );
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document.write( "5*(4*(x+6))    + 10*x   + 25*(x+6)  = 710\r\n" );
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document.write( "5*(4x + 24)    + 10*x   + 25x + 150 = 710\r\n" );
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document.write( "20x + 120      + 10x    + 25x + 150 = 710\r\n" );
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document.write( "55x + 270 = 710  ====>  55x = 710 - 270 = 440  ====>  x =  = 8.\r\n" );
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document.write( "Answer.  8 dimes,  8+6 = 14 quarters and  4*14 = 56  nickels.\r\n" );
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document.write( "Check.   5*56 + 8*10 + 14*25 = 710 cents.   ! Correct !\r\n" );
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\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( "    - Three methods for solving standard (typical) coin word problems\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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\n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I
\n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r
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\n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r
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