document.write( "Question 365457: If jon has four dollars in dimes in nickels and he has seven more dimes than nickels, how many of each coin does he have. \n" ); document.write( "
Algebra.Com's Answer #260532 by amoresroy(361)![]() ![]() You can put this solution on YOUR website! Let n = the number of nickels \n" ); document.write( " n + 7 = the number of dimes \r \n" ); document.write( "\n" ); document.write( "Equation \n" ); document.write( ".05n + .10(n+7) = 4.00 \n" ); document.write( ".05n + .10n + .7= 4.00 \n" ); document.write( " .15n = 4.00 - .7 \n" ); document.write( " n = 3.30/.15 \n" ); document.write( " n = 22\r \n" ); document.write( "\n" ); document.write( " n+7 = 29\r \n" ); document.write( "\n" ); document.write( "Jon has 22 nickels and 29 dimes \n" ); document.write( " |