document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=472818>Question 472818</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A tank can be filled by one inlet pipe in 15 minutes. It takes an outlet pipe 75 minutes to drain the tank. If the outlet is left open, how long would it take to fill the tank? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #324156 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=324156\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A tank can be filled by one inlet pipe in 15 minutes. It takes an outlet pipe 75 minutes to drain the tank. If the outlet is left open, how long would it take to fill the tank?<BR>\n" );
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document.write( "1/15 tank is filled per minute<BR>\n" );
document.write( "1/75 tank is drained per minute<BR>\n" );
document.write( "Net gain = 1/15 - 1/75 = 4/75 per minute<BR>\n" );
document.write( "--> 75/4 minutes per tank<BR>\n" );
document.write( "= 18.75 minutes\r<BR>\n" );
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