document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=763232>Question 763232</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One pipe can fill a tank in 20 minutes, while another takes 30 minutes to fill the same tank. How long would it take the two pipes together 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 #464628 by </B><A HREF=/tutors/aboutme.mpl?userid=ramkikk66><B>ramkikk66(644)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ramkikk66><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=464628\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Pipe1 takes 20 min to fill tank. So in 1 min it fills 1/20 of the tank.<BR>\n" );
document.write( "Pipe2 takes 30 min to fill tank. So in 1 min it fills 1/30 of the tank.\r<BR>\n" );
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document.write( "Together, in 1 min, they fill (1/20 + 1/30) = 5/60 or 1/12 of the tank.<BR>\n" );
document.write( "Hence to fill the tank, they would take <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2812%29 ALIGN=MIDDLE  ALT=\"highlight%2812%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > minutes.\r<BR>\n" );
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document.write( ":) </SPAN>\n" );
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