document.write( "Question 1119905: When a child breaks open her piggy bank, she finds a total of 54 coins, consisting of nickels, dimes, and quarters. The total value of the coins is $7. If the nickels were dimes, and the dimes were nickels, the value of the coins would be $6. How many nickels, dimes, and quarters were in the piggy bank?
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Algebra.Com's Answer #735540 by josgarithmetic(39617)\"\" \"About 
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\"system%28n%2Bd%2Bq=54%2C0.05n%2B0.1d%2B0.25q=7%2C0.1n%2B0.05d%2B0.25q=6%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%28n%2Bd%2Bq=54%2Cn%2B2d%2B5q=140%2C2n%2Bd%2B5q=120%29\"\r
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\n" ); document.write( "\n" ); document.write( "E2 and E3 mean \"d-n=20\".\r
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\n" ); document.write( "\n" ); document.write( "Substitute for d:
\n" ); document.write( "\"system%282n%2Bq=34%2C3n%2B5q=100%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%2810n%2B5q=170%2C3n%2B5q=100%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"7n=70\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28n=10%29\"--------------ten nickels.\r
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\n" ); document.write( "\"highlight%28d=30%29\"---------------dimes, 30
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\n" ); document.write( "\"highlight%28q=14%29\"-------------14 quarters
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