document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=157884>Question 157884</A>: <I><SPAN STYLE=\"word-break: break-all;\"> pump A working together with pump B can drain a tank of water in 5 hours.<BR>\n" );
document.write( "pump A working alone can drain the tank in T hours.<BR>\n" );
document.write( "pump B working alone can drain the pump in (T-4) hours.<BR>\n" );
document.write( "how long does it take for pump A to drain the tank by itself?<BR>\n" );
document.write( "how long does it take for pump B to drain the tank by itself?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #116354 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=116354\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Ba%5D%2BP%5Bb%5D=5hours ALIGN=MIDDLE  ALT=\"P%5Ba%5D%2BP%5Bb%5D=5hours\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----------------------> working eqn<BR>\n" );
document.write( "Also, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Ba%5D=T%5Bhr%5D ALIGN=MIDDLE  ALT=\"P%5Ba%5D=T%5Bhr%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Bb%5D=%28T-4%29%5Bhr%5D ALIGN=MIDDLE  ALT=\"P%5Bb%5D=%28T-4%29%5Bhr%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substitute in  working eqn:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T%2B%28T-4%29=5hours ALIGN=MIDDLE  ALT=\"T%2B%28T-4%29=5hours\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2T=5%2B4=9 ALIGN=MIDDLE  ALT=\"2T=5%2B4=9\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%282%29T%2Fcross%282%29=9%2F2 ALIGN=MIDDLE  ALT=\"cross%282%29T%2Fcross%282%29=9%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T=4.5hours ALIGN=MIDDLE  ALT=\"T=4.5hours\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---------------------------> for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Pump%5Ba%5D ALIGN=MIDDLE  ALT=\"Pump%5Ba%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T-4=4.5-4=0.5hour ALIGN=MIDDLE  ALT=\"T-4=4.5-4=0.5hour\"   DISABLED_style= \"max-width:90%; height:auto;\" > --------------------> for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Pump%5Bb%5D ALIGN=MIDDLE  ALT=\"Pump%5Bb%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "In doubt? go back working eqn:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4.5hrs%2B0.5hr=5hours ALIGN=MIDDLE  ALT=\"4.5hrs%2B0.5hr=5hours\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5hours=5hours ALIGN=MIDDLE  ALT=\"5hours=5hours\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Thank you,<BR>\n" );
document.write( "Jojo </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );