document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=302994>Question 302994</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One inlet pipe can fill an empty pool in 4 hours, and a drain can empty the pool in 10 hours. How long will it take the pipe to fill the pool if the drain is left open?\r<BR>\n" );
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document.write( "thanks :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #217185 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=217185\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One inlet pipe can fill an empty pool in 4 hours, and a drain can empty the pool in 10 hours. How long will it take the pipe to fill the pool if the drain is left open?\r<BR>\n" );
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document.write( "fills in 4 hours \r<BR>\n" );
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document.write( "it can do 1/4 of filling job in 1 hour\r<BR>\n" );
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document.write( "Drains in 10 hours\r<BR>\n" );
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document.write( "It can do 1/10 of draining job in 1 hour\r<BR>\n" );
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document.write( "the difference is the effective filling job done in 1 hour\r<BR>\n" );
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document.write( "1/4-1/10\r<BR>\n" );
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document.write( "5-2 /20\r<BR>\n" );
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document.write( "3/20 job in 1 hour\r<BR>\n" );
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document.write( "20 /3 hours it takes to fill when drain is open\r<BR>\n" );
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document.write( "6.66 hours\r<BR>\n" );
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document.write( "Ananth </SPAN>\n" );
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