document.write( "Question 291845: I have 19 coins that are worth a total of $1.10. If they consist of only dimes and nickels, then how many nickels do I have? \n" ); document.write( "
Algebra.Com's Answer #210935 by richwmiller(17219)\"\" \"About 
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The simplest way is to take the coins and count the nickels.
\n" ); document.write( "But we can also use algebra
\n" ); document.write( "n+d=19
\n" ); document.write( "5n+10d=110
\n" ); document.write( "d=3 n=16
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