document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=731546>Question 731546</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A filler pipe can fill a tank in 10 hours, while an outlet pipe can empty the tank in 15 hours.  How long will it take to fill the empty tank with both pipes operating? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #447170 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=447170\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A filler pipe can fill a tank in 10 hours, while an outlet pipe can empty the tank in 15 hours.  How long will it take to fill the empty tank with both pipes operating?<BR>\n" );
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document.write( "In one hour, the filler adds 1/10 of the tank.<BR>\n" );
document.write( "The outlet releases 1/15 of the tank.<BR>\n" );
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document.write( "Net gain per hour = 1/10 - 1/15 = 1/30 of the tank<BR>\n" );
document.write( "--> 30 hours </SPAN>\n" );
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