document.write( "Question 1028119: If Justin has 4 times as many dimes as nickels and they have a combined value of 180 cents, how many of each coin does he have? \n" ); document.write( "
Algebra.Com's Answer #802494 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( "d = 4n \n" ); document.write( "10d + 5n = 180\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Plug in the first equation into the second.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "45n = 180 \n" ); document.write( "n = 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Justin has 4 nickels and 16 dimes. \n" ); document.write( " |