document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=347400>Question 347400</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help. My Grade 7 daughter a a math question that seems to require a linear equation, but they haven`t studied it. How can I help her with this: If there are 399 students in a class, and each shakes hands with everyone else, how many handshakes will there be. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #248418 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=248418\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> each of the 399 students shakes hands with the other 398 students\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "BUT ..... C shaking hands with D is the same as D shaking hands with C\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "so the total number of shakes is ___ 399 * 398 / 2 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );