document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=851489>Question 851489</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pool can be filled by one pipe in 4 hours and by a second pipe in 12 hours.how long will it take using both pipes to fill the pool? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #512787 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=512787\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/4+1/12=1/x<BR>\n" );
document.write( "3/12+1/12=1/x<BR>\n" );
document.write( "4/12=1/x<BR>\n" );
document.write( "1/3=1/x<BR>\n" );
document.write( "x=3<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );