document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=710462>Question 710462</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jenny has a bunch of socks. None match. If there are 3570 different combinations she can make, how many socks does she have?\r<BR>\n" );
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document.write( "I tried 8x7x6x5x4x3x2 which equals 40320. then I tried 7x6x5x4x3x2 which equals 5040.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #437081 by </B><A HREF=/tutors/aboutme.mpl?userid=vheroli><B>vheroli(126)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vheroli><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=vheroli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=437081\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are working with combinations so you must use nCr.<BR>\n" );
document.write( "r=2 because there are 2 socks for every pair. <BR>\n" );
document.write( "and then i did trial and error on calculator and got<BR>\n" );
document.write( "85C2 = 3570<BR>\n" );
document.write( "Answer: 85 socks </SPAN>\n" );
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