document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=508299>Question 508299</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A large marketing firm will select 4 employees from a list of 8 to represent the company at a regional conference. How many combinations of employees are possible? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #340934 by </B><A HREF=/tutors/aboutme.mpl?userid=Maths68><B>Maths68(1474)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Maths68><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=Maths68><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=340934\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use following formula<BR>\n" );
document.write( "nCr = n! /r!(n-r)!\r<BR>\n" );
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document.write( "Where<BR>\n" );
document.write( "n=8, r=4<BR>\n" );
document.write( "Total Combinations = 8C4 = 8!/4!(8-4)!<BR>\n" );
document.write( "Total Combinations = 8C4 = 8!/4!(4)!<BR>\n" );
document.write( "Total Combinations = 8C4 = 8*7*6*5*4!/4*3*2*1*4!<BR>\n" );
document.write( "Cancel out 4!<BR>\n" );
document.write( "Total Combinations = 8C4 = 8*7*6*5/4*3*2*1<BR>\n" );
document.write( "Total Combinations = 8C4 = 1680/24<BR>\n" );
document.write( "Total Combinations = 8C4 = 70\r<BR>\n" );
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document.write( " </SPAN>\n" );
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