document.write( "Question 432112: Mr.Lawrence has 24 coins with $2.20. The coins are all nickels and dimes. How many of each coin does he have? \n" ); document.write( "
Algebra.Com's Answer #320705 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
n+d=24
\n" ); document.write( "5n+10d=220
\n" ); document.write( "5n+5d=120
\n" ); document.write( "5d=100
\n" ); document.write( "d=20
\n" ); document.write( "n=4
\n" ); document.write( "Mr. Lawrence has 20 dimes and 4 nickles..
\n" ); document.write( "
\n" );