document.write( "Question 304829: A boy has 34 coins in his pocket consisting of nickels and dimes. If the total value of coins is $2.20, ow many nickels does he have?\r
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Algebra.Com's Answer #218311 by checkley77(12844)\"\" \"About 
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N+D=34 OR N=34-D
\n" ); document.write( ".05N+.10D=2.20
\n" ); document.write( ".05(34-D)+.10D=2.20
\n" ); document.write( "1.70-.05D+.10D=2.20
\n" ); document.write( ".05D=2.20-1.70
\n" ); document.write( ".05D=.50
\n" ); document.write( "D=.50/.05
\n" ); document.write( "D=10 DIMES.
\n" ); document.write( "N=34-10=24 NICKLES.
\n" ); document.write( "PROOF:
\n" ); document.write( ".05*24+.10*10=2.20
\n" ); document.write( "1.20+1.00=2.20
\n" ); document.write( "2.20=2.20
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