document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1184366>Question 1184366</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Question: Eileen has 4 cards, each with one of the following numbers printed on it: 9, 1,8,2 \r<BR>\n" );
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document.write( "if she arranges a particular group of three cards in a line, how many possible arrangements are there? \r<BR>\n" );
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document.write( "Ans: 6. My answer: 4*3*2 = 24 Can someone please explain why I'm wrong? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #814924 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=814924\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "It's a trick question, and therefore a bad one for a student who is just learning about permutations and combinations.<br><BR>\n" );
document.write( "The key to getting the answer 6 is that the problem says she is arranging A PARTICULAR GROUP OF THREE CARDS in a line.<br><BR>\n" );
document.write( "Therefore the three cards to be arranged have already been selected; and the number of ways of arranging them is 3*2*1=6.<br><BR>\n" );
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