document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=891840>Question 891840</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Gerald has ten shirts. He needs to pack four of them for a business trip. How many different combinations of shirts could Gerald pack?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #540080 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=540080\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The 1st selection is 1 of 10, then 1/9, then 1/8, etc<BR>\n" );
document.write( "--> 10*9*8*7 = 5040<BR>\n" );
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document.write( "But, choosing A,B,C & D is the same as B,D,A & C<BR>\n" );
document.write( "There are 4*3*2*1 = 24 ways to get each group.<BR>\n" );
document.write( "5040/24 = 210 combos </SPAN>\n" );
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