document.write( "Question 1047516: A coin bank has only dimes and quarters. The number of quarters is 1 more than 3 times the number of dimes. The total value is $6.20. Find the number of dimes \n" ); document.write( "

Algebra.Com's Answer #663035 by ikleyn(52906) $\"\"$ $\"About$

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\n" ); document.write( "A coin bank has only dimes and quarters. The number of quarters is 1 more than 3 times the number of dimes.
\n" ); document.write( "The total value is $6.20. Find the number of dimes
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document.write( "Let d be the number of dimes.\r\n" );
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document.write( "Then\r\n" );
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document.write( "10d + 25(3d+1) = 620,  or\r\n" );
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document.write( "10d + 75d + 25 = 620,  or\r\n" );
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document.write( "85d = 620 - 25,  85d = 595,  d =  = 7.\r\n" );
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document.write( "Answer.  7 dimes.\r\n" );
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