document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=734904>Question 734904</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have tried to figure out this problem, could smeone please help me with it?<BR>\n" );
document.write( "90!/(90-10)!*10!\r<BR>\n" );
document.write( "\n" );
document.write( "This is a combination right?<BR>\n" );
document.write( "But how do you work it? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #449180 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=449180\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This problem is dealing with factorials\r<BR>\n" );
document.write( "\n" );
document.write( "for example 3! = 3 * 2 * 1\r<BR>\n" );
document.write( "\n" );
document.write( "with this in mind the problem states\r<BR>\n" );
document.write( "\n" );
document.write( "90!/(90-10)!*10!  so we have\r<BR>\n" );
document.write( "\n" );
document.write( "90!/80!*10!\r<BR>\n" );
document.write( "\n" );
document.write( "divide top and bottom of fraction by 80! and we get\r<BR>\n" );
document.write( "\n" );
document.write( "90*89*88*87*86*85*84*83*82*81 / 10*9*8*7*6*5*4*3*2*1\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );