document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=896535>Question 896535</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If it takes 2hours using 20pumps to drain a pool,and 4hours using 10pumps,and 8hours using 5pumps to drain the same pool,how long will it take to drain the pool using 16pumps? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #543580 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=543580\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Do you see the pattern?<BR>\n" );
document.write( "2   20<BR>\n" );
document.write( "4   10<BR>\n" );
document.write( "8   5<BR>\n" );
document.write( "16  ?<BR>\n" );
document.write( "(hint: doubling the pumps yields half of the previous time) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );