document.write( "Question 803544: A change purse contains 120 coins worth $10.They are all nickels and dimes.How many of each coins are there? \n" ); document.write( "
Algebra.Com's Answer #484625 by tommyt3rd(5050)\"\" \"About 
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1) n+d=120 <--number of coins
\n" ); document.write( "2) 5n+10d=10(100) <-- amt of money\r
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\n" ); document.write( "5n+5d=600\r
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\n" ); document.write( "\n" ); document.write( "10d-5d=400
\n" ); document.write( "5d=400
\n" ); document.write( "d=80\r
\n" ); document.write( "\n" ); document.write( "80 dimes and 40 nickels\r
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