document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=760010>Question 760010</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a fish pond can be filled by an inlet pipe in twelve hours if an outlet pipe is opened. If the pipe was allowed to run alone for two whole hours, after which the outlet pipe was opened, it would take the inlet pipe for more hours to fill up the pond. How long would it take the inlet pipe alone to fill the tank full from start to finish with the outlet pipe removed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #462350 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39616)</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=462350\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f for fill, e for empty.  Those are rates in FillThePool per Hour.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%3Ee ALIGN=MIDDLE  ALT=\"f%3Ee\"   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=f%2Be=1%2F12 ALIGN=MIDDLE  ALT=\"f%2Be=1%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Inlet pipe runs by itself for 2 hours, then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%2A2 ALIGN=MIDDLE  ALT=\"f%2A2\"   DISABLED_style= \"max-width:90%; height:auto;\" > is how much FillThePool is done in that time.\r<BR>\n" );
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document.write( "The outlet pipe is opened and with both pipes opened this way, 4 hours was needed to finish filling the pool:  This amount of FillThePool was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F12%29%2A4 ALIGN=MIDDLE  ALT=\"%281%2F12%29%2A4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Put the two amounts of FillThePool together because their sum is 1 FillThePool.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2f%2B%281%2F12%29%2A4=1 ALIGN=MIDDLE  ALT=\"2f%2B%281%2F12%29%2A4=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve for f.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2f=1-%281%2F12%29%2A4 ALIGN=MIDDLE  ALT=\"2f=1-%281%2F12%29%2A4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2f=1-1%2F3=3%2F3-1%2F3 ALIGN=MIDDLE  ALT=\"2f=1-1%2F3=3%2F3-1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2f=2%2F3 ALIGN=MIDDLE  ALT=\"2f=2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28f=1%2F3%29 ALIGN=MIDDLE  ALT=\"highlight%28f=1%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "That is 1 job in 3 hours.  This means (1/3) jobs per hour or:<BR>\n" );
document.write( "ANSWER: The inlet pipe fills the pool in THREE hours if the outlet pipe is closed. </SPAN>\n" );
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