document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=365201>Question 365201</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Problem: our math class collected $1.25 in nickles and dimes. If there is a total of 15 coins, how many coins of each kind 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 #260405 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=260405\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> n+d = 15,<BR>\n" );
document.write( "0.05n + 0.10d = 1.25.  The top equation gives d = 15-n.  Substituting into the bottom equation, gives:<BR>\n" );
document.write( "0.05n + 0.10(15-n) = 1.25,<BR>\n" );
document.write( "0.05n + 1.5-0.10n = 1.25,<BR>\n" );
document.write( "-0.05n = -0.25<BR>\n" );
document.write( "n = 5, the number of nickels,<BR>\n" );
document.write( "d = 10, the number of dimes. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );