document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=555554>Question 555554</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I feel as though i know the answer. i have followed the formula but i dont think i understand. please help... A group of 5 candidates are running for 2 different class offices. In how many ways can the offices be filled by these candidates? .... i was wondering if it was 20 ways because i know the formula is nPr= n! over r!(n-r)! .... so i just was wondering if i was right. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #361831 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=361831\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The formula you gave above is incorrect. So how did you get the correct answer?<BR>\n" );
document.write( "5P2=5!/(5-2)!<BR>\n" );
document.write( "=5!/3!<BR>\n" );
document.write( "=5*4*3!/3!<BR>\n" );
document.write( "=20 ways<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );