document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=927307>Question 927307</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One pipe can empty a tank 3 times faster than another pipe. Starting with a full tank, both pipes take 6 hrs to empty the tank. How long does it take the faster pipe working alone to empty a full tank? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #562876 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=562876\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+R+ ALIGN=MIDDLE  ALT=\"+R+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the rate of emptying of<BR>\n" );
document.write( "the slowest pipe in tankfuls / hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3R+ ALIGN=MIDDLE  ALT=\"+3R+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the rate of emptying of<BR>\n" );
document.write( "the other pipe in tankfuls / hrs<BR>\n" );
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document.write( "Add the rates of emptying to get<BR>\n" );
document.write( "their rate emptying together<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F6+ ALIGN=MIDDLE  ALT=\"+1%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = rate of emptying together <BR>\n" );
document.write( "in tankfuls / hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+R+%2B+3R+=+1%2F6+ ALIGN=MIDDLE  ALT=\"+R+%2B+3R+=+1%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4R+=+1%2F6+ ALIGN=MIDDLE  ALT=\"+4R+=+1%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+R+=+1%2F24+ ALIGN=MIDDLE  ALT=\"+R+=+1%2F24+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3R+=+1%2F8+ ALIGN=MIDDLE  ALT=\"+3R+=+1%2F8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The faster tank takes 8 hrs to empty <BR>\n" );
document.write( "the tank alone<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F24+%2B+1%2F8+=+1%2F6+ ALIGN=MIDDLE  ALT=\"+1%2F24+%2B+1%2F8+=+1%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F24+%2B+3%2F24+=+4%2F24+ ALIGN=MIDDLE  ALT=\"+1%2F24+%2B+3%2F24+=+4%2F24+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "Note that if there were both emptying and<BR>\n" );
document.write( "filling pipes, then the emptying rates<BR>\n" );
document.write( "would have minus signs and the filling<BR>\n" );
document.write( "rates would have plus signs\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );