document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=956173>Question 956173</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3 married couples have bought 6 seats in the same row for a rock concert.<BR>\n" );
document.write( "In how many different ways can they be seated;<BR>\n" );
document.write( "                                           a) with no restrictions.<BR>\n" );
document.write( "                                           b) if each couple is to sit together.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #584159 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=584159\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3 married couples have bought 6 seats in the same row for a rock concert.<BR>\n" );
document.write( " In how many different ways can they be seated;<BR>\n" );
document.write( " a) with no restrictions.<BR>\n" );
document.write( "Ans: 6P6 = 6! = 720<BR>\n" );
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document.write( " b) if each couple is to sit together.<BR>\n" );
document.write( "Arrange the 3 pairs:: 3! = 6 ways<BR>\n" );
document.write( "Arrange each of the couples = 2^3 = 8<BR>\n" );
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document.write( "Ans: 3!*2^3 = 6*8 = 48<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );