document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937983>Question 937983</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1 pool pump takes 60 minutes to fill up a pool, another pool pump takes 40 minutes to fill up a pool, how long would it take of both pumps were used to fill up 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 #571328 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=571328\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1 pool pump takes 60 minutes to fill up a pool, another pool pump takes 40 minutes to fill up a pool, how long would it take of both pumps were used to fill up the pool? <BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let t = time (minutes) it takes to fill pool with both pumps<BR>\n" );
document.write( "then<BR>\n" );
document.write( "t(1/60 + 1/40) = 1<BR>\n" );
document.write( "multiply both sides by 120 to get:<BR>\n" );
document.write( "t(2 + 3) = 120<BR>\n" );
document.write( "t(5) = 120<BR>\n" );
document.write( "t = 24 minutes </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );