document.write( "Question 1017656: Jon has 12 5cent more than 25cent. His total is 9$ howmuch 5cent coins does jon have? \n" ); document.write( "
Algebra.Com's Answer #805327 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! n = number of 5 cent coins \n" ); document.write( "q = number of 25 cent coins\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n = q + 12 \n" ); document.write( "5n + 25q = 900\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( "5(q + 12) + 25q = 900 \n" ); document.write( "5q + 60 + 25q = 900 \n" ); document.write( "30q = 840 \n" ); document.write( "q = 28\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Jon has 28 25-cent coins and 40 5-cent coins. \n" ); document.write( " |