document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=739591>Question 739591</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One pipe can fill a tank in 4 hours. A second pipe also requires 4 hours but a third needs three hours. How long will it take to fill the tank if all three pipes are open?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451191 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=451191\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/4+1/4+1/3=1/x<BR>\n" );
document.write( "1/2+1/3=1/x<BR>\n" );
document.write( "3/6+2/6=1/x<BR>\n" );
document.write( "5/6=1/x<BR>\n" );
document.write( "6/5=x<BR>\n" );
document.write( "1.2=x<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );