document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=633202>Question 633202</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A small leak will fill an empty boat in 5 hours. The boat's bilge pump will empty a full boat in 3 hours. If the boat were half full and leaking, how long would it take the pump to empty the boat? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #398757 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=398757\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A small leak will fill an empty boat in 5 hours. The boat's bilge pump will empty a full boat in 3 hours. If the boat were half full and leaking, how long would it take the pump to empty the boat?<BR>\n" );
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document.write( "Fill rate = 1/5 job/hr <BR>\n" );
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document.write( "Empty rate = 1/3 job/hr<BR>\n" );
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document.write( "Together rate = 1/5 - 1/3 = (3-5)/15 = -2/15 job/hr.<BR>\n" );
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document.write( "Time to empty a full boat = 15/2 = 7 1/2 hrs<BR>\n" );
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document.write( "Time to empty (1/2) boat = 15/4 = 3 3/4 hrs = 3 hr 45 minutes<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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