document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=525591>Question 525591</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the combination of C (20,3)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #348181 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=348181\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> =C(20,3)<BR>\n" );
document.write( "=20!/3!(20-3)!<BR>\n" );
document.write( "=20!/3!17!<BR>\n" );
document.write( "=(20*19*18*17!)/(3*2*1*17!)<BR>\n" );
document.write( "Cancel out 17!<BR>\n" );
document.write( "=(20*19*18)/6<BR>\n" );
document.write( "=20*19*3<BR>\n" );
document.write( "=1140<BR>\n" );
document.write( " </SPAN>\n" );
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