document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=262199>Question 262199</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 16 coins in a bank.  If the coins are all nickels and dimes and they total $1.05, how many nickels are there?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #193142 by </B><A HREF=/tutors/aboutme.mpl?userid=texttutoring><B>texttutoring(324)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=texttutoring><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=texttutoring><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=193142\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let n = the number of nickels<BR>\n" );
document.write( "    d = the number of dimes\r<BR>\n" );
document.write( "\n" );
document.write( "Eqn 1: n + d = 16<BR>\n" );
document.write( "Eqn 2: 0.05*n + 0.10*d = 1.05\r<BR>\n" );
document.write( "\n" );
document.write( "Step 1: Isolate for d in Eqn. 1:\r<BR>\n" );
document.write( "\n" );
document.write( "d = 16-n\r<BR>\n" );
document.write( "\n" );
document.write( "Step 2: Substitute this value of d into Eqn 2:\r<BR>\n" );
document.write( "\n" );
document.write( "0.05*n + 0.10*(16-n) = 1.05<BR>\n" );
document.write( "0.05n + 1.6 - 0.10n = 1.05\r<BR>\n" );
document.write( "\n" );
document.write( "-0.05n = -0.55\r<BR>\n" );
document.write( "\n" );
document.write( "Divide both sides by -0.05:<BR>\n" );
document.write( "n = -0.55/-0.05<BR>\n" );
document.write( "n = 11\r<BR>\n" );
document.write( "\n" );
document.write( "There are 11 nickels and 5 dimes. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );