document.write( "Question 932257: Joe has a pile of dimes and nickels. The total value of the pile is 3.2 dollars, and there are 42 coins altogether. How many nickels are in the pile?\r
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Algebra.Com's Answer #566071 by Alan3354(69443)\"\" \"About 
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\n" ); document.write( "Joe has a pile of dimes and nickels. The total value of the pile is 3.2 dollars, and there are 42 coins altogether. How many nickels are in the pile?
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\n" ); document.write( "n + d = 42
\n" ); document.write( "5n + 10d = 320
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