document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=234156>Question 234156</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many ways can 12 people be seated in 20 chairs? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #172693 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=172693\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the permutation formula:\r<BR>\n" );
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document.write( "nPr = n!/(n - r)!\r<BR>\n" );
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document.write( "n = 20 and r = 12\r<BR>\n" );
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document.write( "Plug and chug.\r<BR>\n" );
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document.write( "20P12 = 20!/(20 - 12)!\r<BR>\n" );
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document.write( "20P12 = (20x19x18x17x16x15x14x13x12x11x10x9x8)/40,320\r<BR>\n" );
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document.write( "Can you finish now?\r<BR>\n" );
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document.write( "Just use your calculator to divide top by the bottom. </SPAN>\n" );
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