document.write( "Question 256714: Marco has 150 coins,all nickels and dimes. He has 12 more dimes than nickles. How many nickels and dimes does he have? \n" ); document.write( "
Algebra.Com's Answer #188785 by richwmiller(17219)\"\" \"About 
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n+d=150
\n" ); document.write( "d=12+n
\n" ); document.write( "89=d
\n" ); document.write( "69=n
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