document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=864289>Question 864289</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many ways can 7 students and 7 teachers be seated if a student is seated first and they must be seated alternately? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #520894 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=520894\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the first can be any of 7 students<BR>\n" );
document.write( "the second any of 7 teachers<BR>\n" );
document.write( "any of 6 students<BR>\n" );
document.write( "any of 6 teachers<BR>\n" );
document.write( "any of 5 students<BR>\n" );
document.write( "any of 5 teachers<BR>\n" );
document.write( "any of 4 students<BR>\n" );
document.write( "any of 4 teachers<BR>\n" );
document.write( "any of 3 students<BR>\n" );
document.write( "any of 3 teachers<BR>\n" );
document.write( "any of 2 students<BR>\n" );
document.write( "any of 2 teachers<BR>\n" );
document.write( "any of 1 students<BR>\n" );
document.write( "any of 1 teachers<BR>\n" );
document.write( "7*7*6*6*5*5*4*4*3*3*2*2*1*1=25,401,600<BR>\n" );
document.write( "49*36*25*16*9*4=25,401,600 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );