document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=617216>Question 617216</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A reading list for your English classcontains 20 books. a)How many different sets of four books can you choose from the list to read over Spring Break? <BR>\n" );
document.write( "b)In how many different orders can you read these four books?\r<BR>\n" );
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document.write( "Is answer a) 20P4 =116280   is answer b) 20C4=4845     ???? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #388214 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=388214\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A reading list for your English classcontains 20 books. a)How many different sets of four books can you choose from the list to read over Spring Break? <BR>\n" );
document.write( "b)In how many different orders can you read these four books? <BR>\n" );
document.write( "Is answer a) 20P4 =116280 is answer b) 20C4=4845 ????<BR>\n" );
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document.write( "Your answer to \"a\" is correct.<BR>\n" );
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document.write( "The answer to \"b\" is 4! = 24 ways to order the 4 books you choose.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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