document.write( "Question 1120920: A student finds a pile of nickels and dimes, and immediately announces \"I found two dollars and fifteen cents!\" If the number of dimes is 4 more than the 3 times the number of nickels, how many of each coin did this student find?. \n" ); document.write( "
Algebra.Com's Answer #736603 by math_helper(2461)\"\" \"About 
You can put this solution on YOUR website!
N=number of nickels
\n" ); document.write( "D=number of dimes

\n" ); document.write( "Then
\n" ); document.write( "(1) 5N+10D = 215
\n" ); document.write( "(2) D = 4+3N
\n" ); document.write( "

\n" ); document.write( "Sub for D from (2) into (1):
\n" ); document.write( "5N + 10(4+3N) = 215\r
\n" ); document.write( "\n" ); document.write( "Solving, yields \"highlight%28N=5%29\" and plugging into (2) gives \"highlight%28+D=19%29++\"
\n" ); document.write( "——
\n" ); document.write( "Check: 5(5) + 10(19) = 25+190 = 215 (ok)
\n" ); document.write( " and 4+3(5) = 4+15 = 19 (ok)
\n" ); document.write( "
\n" );