document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=574758>Question 574758</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3 identical pumps,empty a large storage tank in 15hrs.How long will it take 21 such pumps to empty the same storage tank? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #369291 by </B><A HREF=/tutors/aboutme.mpl?userid=ad_alta><B>ad_alta(240)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ad_alta><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=ad_alta><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=369291\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since the 3 pumps already emptied the tank, it wouldn't take any time at all! If we refilled it, we would expect that with 7 times the number of pumps the work would be done in 1/7 the time, or about 2 hours, 8 minutes, and 34 seconds. </SPAN>\n" );
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