document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1177723>Question 1177723</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes pump A 2 hours less time than pump B to empty a pool. Pump A is started at 8:00am and pump B at 10:00am. At 12:00pm 60% of the pool.is empty when pump B broke down. How much time after 12:00pm would it take pump A to empty 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 #806853 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=806853\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let pump B to empty a pool be x hours<BR>\n" );
document.write( "It empties 1/x in 1 hour\r<BR>\n" );
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document.write( "pump A to empty a pool will be x-2  hours<BR>\n" );
document.write( "It empties 1/(x-2) in 1 hour<BR>\n" );
document.write( "Pump B runs for two hours and both work for two hours<BR>\n" );
document.write( "They empty 40 % of the tank<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Fx+%2B+2%2F%28x-2%29+=2%2F5 ALIGN=MIDDLE  ALT=\"2%2Fx+%2B+2%2F%28x-2%29+=2%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282x-4+%2B2x%29%2Fx%28x-2%29+=+2%2F5 ALIGN=MIDDLE  ALT=\"%282x-4+%2B2x%29%2Fx%28x-2%29+=+2%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%284x-4%29=2%28x%5E2-2x%29 ALIGN=MIDDLE  ALT=\"5%284x-4%29=2%28x%5E2-2x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20x+-20+=+2x%5E2-4x ALIGN=MIDDLE  ALT=\"20x+-20+=+2x%5E2-4x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2-24x%2B20=0 ALIGN=MIDDLE  ALT=\"2x%5E2-24x%2B20=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "factorise\r<BR>\n" );
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document.write( "Pump B takes 11 hours <BR>\n" );
document.write( "Pump A takes 9 hours\r<BR>\n" );
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document.write( "Pump A has to empty remaining water (3/5) of the tank\r<BR>\n" );
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document.write( "Pump A will take 3/5   * 9  = 27/5 = 5.4 hours after 12.00  </SPAN>\n" );
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