document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=681599>Question 681599</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Miss C is having a film day.She's going to watch 5 films<BR>\n" );
document.write( "The lengths of films A+B together is 3h 20 minutes<BR>\n" );
document.write( "The lengths of films B+C together is 3h 05 minutes<BR>\n" );
document.write( "The lengths of films C+D together is 2h 20 minutes<BR>\n" );
document.write( "The lengths of films D+E together is 2h 00 minutes\r<BR>\n" );
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document.write( "Film B is the longest<BR>\n" );
document.write( "How long is each film?\r<BR>\n" );
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document.write( "I am really struggling with this (my 9 year olds homework!!) is there a key piece of info missing? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #422730 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=422730\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You have 5 unknowns, but you only have 4 equations. So you're going to have an infinite number of solutions. If you are only looking at integral solutions, then you won't have infinitely many of them, but you'll still have a lot (I'm counting at least 119 solutions).\r<BR>\n" );
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document.write( "So yes, you need one last equation (or some other piece of information). </SPAN>\n" );
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