document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1089770>Question 1089770</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Three research department have 9,10 and 8 members respectively. Each department is to select a delegate and an alternate to represent the department at a conference. In how many ways can this be done? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #704157 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52863)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=704157\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "The first department can select these two by 9*8 ways (any of 9 candidate to the first post; any of the 8 remaining to the second post).\r<BR>\n" );
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document.write( "The second department can select its representatives by 10*9 ways (following the same logic).\r<BR>\n" );
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document.write( "Third department has 8*7 ways.\r<BR>\n" );
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document.write( "In total, there are (9*8) * (10*9) * (8*7)  ways,\r<BR>\n" );
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document.write( "and I leave it to you to make final calculations.\r<BR>\n" );
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document.write( "Do not forget to sent your thanks to me after completing. \r<BR>\n" );
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document.write( " </SPAN>\n" );
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