document.write( "Question 1200476: A piggy bank contains only nickels, dimes, and quarters. If there are 76 coins worth $8.50, and there are twice as many dimes as nickels, how many of each coin are there?
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Algebra.Com's Answer #834613 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\"system%28n%2Bd%2Bq=76%2C5n%2B10d%2B25q=850%2Cd%2Fn=2%29\"----------literally the meaning of the description.\r
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\n" ); document.write( "\n" ); document.write( "Some simplification of the system:\r
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\n" ); document.write( "\n" ); document.write( "\"system%28n%2Bd%2Bq=76%2Cn%2B2d%2B5q=170%2Cd=2n%29\"\r
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\n" ); document.write( "n=21
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\n" ); document.write( "d=42
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\n" ); document.write( "q=13\r
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\n" ); document.write( "\n" ); document.write( "Possible Method, not the one used:\r
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\n" ); document.write( "\n" ); document.write( "\"system%28d%2B2d%2B2q=152%2Cd%2B4d%2B10q=340%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%283d%2B2q=152%2C5d%2B10q=340%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%283d%2B2q=152%2Cd%2B2q=68%29\"\r
\n" ); document.write( "\n" ); document.write( "Subtract second eq. from first eq.\r
\n" ); document.write( "\n" ); document.write( "\"2d=84\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28d=42%29\"
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