document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=819250>Question 819250</A>: <I><SPAN STYLE=\"word-break: break-all;\"> suppose that a small pump can empty a swimming pool in 60 hours and that a large pump can empty a pool in 30 hours. Working together, how long will it take to empty 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 #493009 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=493009\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x/30+x/60=1<BR>\n" );
document.write( "2x/60+x/60=1<BR>\n" );
document.write( "3x/60=1<BR>\n" );
document.write( "3x=60<BR>\n" );
document.write( "x=20<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );