document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=795464>Question 795464</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes 5 minutes to fill a sink.  When full, the sink drains in 10 minutes.  How long will it take to fill the sink if you forget to put in the stopper? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #480993 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=480993\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Add the positive rate of filling to the<BR>\n" );
document.write( "negative rate of draining to get the<BR>\n" );
document.write( "rate when you are both filling and <BR>\n" );
document.write( "draining<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Rate of filling:<BR>\n" );
document.write( "( 1 sink full ) / ( 5 min )<BR>\n" );
document.write( "Rate of draining:<BR>\n" );
document.write( "( 1 sink drained ) / ( 10 min )<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+ ALIGN=MIDDLE  ALT=\"+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = time to fill sink while<BR>\n" );
document.write( "both filling and draining<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F5+-+1%2F10+=+1%2Ft+ ALIGN=MIDDLE  ALT=\"+1%2F5+-+1%2F10+=+1%2Ft+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "( note that if  the right side is positive, <BR>\n" );
document.write( "the result is filling, not draining )<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10t+ ALIGN=MIDDLE  ALT=\"+10t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2t+-+t+=+10+ ALIGN=MIDDLE  ALT=\"+2t+-+t+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+10+ ALIGN=MIDDLE  ALT=\"+t+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "It will it take 10 min to fill the sink if <BR>\n" );
document.write( "you forget to put in the stopper\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );