document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=846135>Question 846135</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if it takes a pool 24 hours to fill with 4 pumps how many pumps will it take to fill the pool in 8 hours? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #509619 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=509619\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Are the pumps congruent?  Find the rate for one pump.  The rates of pumps operating at the same time are simply additive.  This is a uniform rates problem so you want the rate of the pumping, based on the rate for one pump.  \r<BR>\n" );
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document.write( "R*t=j ______________ and  j for job, being \"fill the pool\".\r<BR>\n" );
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document.write( "4 pumps____________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F24 ALIGN=MIDDLE  ALT=\"1%2F24\"   DISABLED_style= \"max-width:90%; height:auto;\" >  jobs per hour<BR>\n" );
document.write( "1 pump_____________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F%284%2A24%29%29=1%2F96 ALIGN=MIDDLE  ALT=\"%281%2F%284%2A24%29%29=1%2F96\"   DISABLED_style= \"max-width:90%; height:auto;\" > jobs per hour which is four times slower, which should intuitively make sense.\r<BR>\n" );
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document.write( "You have some unknown n pumps and you want t=8 hours.<BR>\n" );
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document.write( "Solve for n. </SPAN>\n" );
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