document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=315935>Question 315935</A>: <I><SPAN STYLE=\"word-break: break-all;\"> filling a tank through a large tube takes 30 minutes. It takes 50 minutes for the tank to fully drain through a smaller tube. how long will it take to fill the tank if both tubes are open </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #226003 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=226003\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     filling a tank through a large tube takes 30 minutes. It takes 50 minutes for the tank to fully drain through a smaller tube. how long will it take to fill the tank if both tubes are open<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = time it takes to fill tank when both tubes are open<BR>\n" );
document.write( "then<BR>\n" );
document.write( "x(1/30 - 1/50) = 1<BR>\n" );
document.write( "Multiplying both sides by 1500:<BR>\n" );
document.write( "x(50 - 30) = 1500<BR>\n" );
document.write( "x(20) = 1500<BR>\n" );
document.write( "x = 75 minutes </SPAN>\n" );
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