document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=321571>Question 321571</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if one outlet pipe can drain a tank in 24 hours while a second outlet pipe can drain the same tank in 36 hours, how long will it take to drain the tank if both 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 #230283 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=230283\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if one outlet pipe can drain a tank in 24 hours while a second outlet pipe can drain the same tank in 36 hours, how long will it take to drain the tank if both pipes are open?<BR>\n" );
document.write( "draining the tank is 1 job.<BR>\n" );
document.write( "..<BR>\n" );
document.write( "1 drain does the job in 24 hours<BR>\n" );
document.write( "so it does 1/24 of the job in 1 hour.<BR>\n" );
document.write( "..<BR>\n" );
document.write( "second does the job in 36 hours<BR>\n" );
document.write( "so it does 1/36 of the job in 1 hour<BR>\n" );
document.write( "..<BR>\n" );
document.write( "together they do 1/24+1/36 of the job in 1 hour<BR>\n" );
document.write( "LCD = 72<BR>\n" );
document.write( "= 3+2/72 <BR>\n" );
document.write( "=5/72<BR>\n" );
document.write( "5/72 0f the job they do together in 1 hour<BR>\n" );
document.write( "1 job they do in 72/5 hours<BR>\n" );
document.write( "=14.4 hours </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );