document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=532180>Question 532180</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In how many ways can  you arrange 11 math books and 6 history books if:<BR>\n" );
document.write( "a. order matters<BR>\n" );
document.write( "b. order doesn't matter<BR>\n" );
document.write( "c. you must have all the math books together and all the history books together </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #350701 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=350701\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In how many ways can you arrange 11 math books and 6 history books if:<BR>\n" );
document.write( "a. order matters:: 17!<BR>\n" );
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document.write( "b. order doesn't matter:: 1<BR>\n" );
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document.write( "c. you must have all the math books together and all the history books together<BR>\n" );
document.write( "Arrange the blocks: 2 ways<BR>\n" );
document.write( "Arrange within the blocks: 11!*6!<BR>\n" );
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document.write( "Total arrangements: 2*11!*6!<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );