document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=379614>Question 379614</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An inlet pipe can fill a tank in 8 minutes. A drain can empty the tank in 12 mintes. If the tank is empty and both the pipe and drain are open, how long will it take before the tank overflows? \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 #269547 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=269547\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An inlet pipe can fill a tank in 8 minutes. A drain can empty the tank in 12 mintes. If the tank is empty and both the pipe and drain are open, how long will it take before the tank overflows? <BR>\n" );
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document.write( "Let x = time (minutes) it takes to fill tank<BR>\n" );
document.write( "then<BR>\n" );
document.write( "x(1/8 - 1/12) > 1<BR>\n" );
document.write( "multiplying both sides by 96:<BR>\n" );
document.write( "x(12 - 8) > 96<BR>\n" );
document.write( "x(4) > 96<BR>\n" );
document.write( "x > 24 minutes<BR>\n" );
document.write( "That is, tank begins to overflow after 24 minutes </SPAN>\n" );
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