document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=750507>Question 750507</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2.	How many ways are there to arrange 10 students in two lines?  (a line must have at least 1 student)I used nCr on a TI 84+ Calculator and got 28, but i have a feeling I am rather mistaken. How do I go about solving this? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #456638 by </B><A HREF=/tutors/aboutme.mpl?userid=FrankM><B>FrankM(1040)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=FrankM><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=FrankM><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=456638\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I am going to hazard an intelligent approach here and offer 9*10!\r<BR>\n" );
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document.write( "If you simply asked how to line up 10 people, the answer would be 10! different ways to line up. Now, look at a line of ten and there are 9 places to declare the second line starts there, so to account for all 9 possibilities in every line, multiplying by 9 should suffice.  </SPAN>\n" );
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