document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=609673>Question 609673</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a swimming pool can be filling in 11 hours if a water enters through a pipe alone, or in 21 hours if water enters through a hose alone. If water enter through both the pipe and the hose, how long will it take to fill the pool? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #383877 by </B><A HREF=/tutors/aboutme.mpl?userid=flame8855><B>flame8855(424)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=flame8855><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=flame8855><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=383877\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/11 + 1/21= 11+21/231 = 32/231<BR>\n" );
document.write( "231/32= 7.21 </SPAN>\n" );
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