document.write( "Question 876354: Sam has 15 coins, all nickels and dimes, with a total value of $0.90. How many of each coin does he have? (Let d = the number of dimes and n = the number of nickels).\r
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Algebra.Com's Answer #528728 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
n + d = 15, n = \"15-d%29\"
\n" ); document.write( "10d + 5n = 90 (amount of cents makes sense)
\n" ); document.write( "10d + 5(15-d) = 90
\n" ); document.write( " 5d = 15
\n" ); document.write( " d = 3 and n = 12
\n" ); document.write( "3 Dimes and 12 nickels and \"30%2B+60+=+90\"
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