document.write( "Question 961484: Ethan has $1.20 in dimes and nickels. If he has 6 more nickels than dimes, how many of each coin does he have? \n" ); document.write( "
Algebra.Com's Answer #808170 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! d = number of dimes \n" ); document.write( "n = number of nickels\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5n + 10d = 120 \n" ); document.write( "n = d + 6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute the second equation into the first equation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5(d + 6) + 10d = 120 \n" ); document.write( "5d + 30 + 10d = 120 \n" ); document.write( "15d = 90 \n" ); document.write( "d = 6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "---> Ethan has 12 nickels and 6 dimes. \n" ); document.write( " |