document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=990553>Question 990553</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many 5 element subsets can be found in Set (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #610661 by </B><A HREF=/tutors/aboutme.mpl?userid=farohw><B>farohw(175)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=farohw><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=farohw><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=610661\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "S = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}\r<BR>\n" );
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document.write( "C(20,5) = 20!/(20 - 5)!5!\r<BR>\n" );
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document.write( "= 20!/15!5!\r<BR>\n" );
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document.write( "= 2,432,902,008,176,640,000/(1,307,674,368,000)*(120)\r<BR>\n" );
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document.write( "= 15, 504 different 5 element subsets.\r<BR>\n" );
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