document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=933465>Question 933465</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A large pipe can be filled by one pipe in 20 hours. A second pipe can be fill the tanks in 15 hours. if the first pipe was open for 16 hours and then closed, how long would it take to fill tank of the inlet pipe was opened after the first was closed?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #566818 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=566818\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Large Pipe, rate of fill is 1/20  tank per hours.<BR>\n" );
document.write( "Second Pipe, rate of fill is 1/15 tank per hours.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Time for each pipe used separately, 16 and unknown t.  ONE tanks-worth.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%281%2F20%29%2A16%2B%281%2F15%29t=1%29 ALIGN=MIDDLE  ALT=\"highlight%28%281%2F20%29%2A16%2B%281%2F15%29t=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Solve for t, in hours. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );