document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=604708>Question 604708</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 10 first-tier national rugby union teams.<BR>\n" );
document.write( "(a) How many different two-team pairings are possible among those 10 teams.<BR>\n" );
document.write( "    I guess, the answer to this will be C(10,2) = 45 ways<BR>\n" );
document.write( "I am stuck in the following<BR>\n" );
document.write( "(b) how many different ways are there to select a 1st, 2nd and 3rd ranked teams from these teams<BR>\n" );
document.write( "(c) Suppose 4 teams are going to gather in Sydney, the other 6 teams in Melbourne. How many ways it can be done?\r<BR>\n" );
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document.write( "Thanks<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #381500 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=381500\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (b) P(10,3) ___ because order (1st, 2nd or 3rd) is significant\r<BR>\n" );
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document.write( "(c) C(10,4) ___ or C(10,6); the values are the same<BR>\n" );
document.write( " ___ ALL the teams are selected, so selecting 4 for one venue automatically selects 6 for the other venue </SPAN>\n" );
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