document.write( "Question 464031: Joe has a collection of nickels and dimes that is worth $6.05. If the number of dimes was doubled and the number of nickels was decreased by 10, the value of the coins would be $9.85. How many nickels and dimes does he have?
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Algebra.Com's Answer #322747 by jorel1380(3719)\"\" \"About 
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5n+10d=605
\n" ); document.write( "5(n-10)+10(2d)=985
\n" ); document.write( "5n-50+20d=985
\n" ); document.write( "5n+20d=1035
\n" ); document.write( "10d=1035-605=430
\n" ); document.write( "d=43
\n" ); document.write( "n=35
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