document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=589726>Question 589726</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One pipe fills a storage pool in 12 hours.  A second pipe fills the same pool in 3 hours.  When a third pipe is added and all three are used to fill the pool, it takes only 2 hours.  Find how long it takes the third pipe to do the job.  \r<BR>\n" );
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document.write( "I have trouble setting it up, but I know how to do it, please help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #374952 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=374952\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One pipe fills a storage pool in 12 hours.<BR>\n" );
document.write( " A second pipe fills the same pool in 3 hours. <BR>\n" );
document.write( "When a third pipe is added and all three are used to fill the pool, it takes only 2 hours.<BR>\n" );
document.write( " Find how long it takes the third pipe to do the job. <BR>\n" );
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document.write( "Let x = time required by the 3rd pipe<BR>\n" );
document.write( "Let the completed job = 1; (a full tank)<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F12 ALIGN=MIDDLE  ALT=\"2%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F3 ALIGN=MIDDLE  ALT=\"2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Fx ALIGN=MIDDLE  ALT=\"2%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1<BR>\n" );
document.write( "Multiplying by 12x will clear the denominators </SPAN>\n" );
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