document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=851629>Question 851629</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A swimming pool is filled in 30 hours by 2 identical pumps. How much quicker would it be filled if 5 similar pumps were used instead. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #512894 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=512894\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/x+1/x=1/30<BR>\n" );
document.write( "2/x=1/30<BR>\n" );
document.write( "60=x<BR>\n" );
document.write( "each pump takes 60 hours alone<BR>\n" );
document.write( "now with 5 pumps\r<BR>\n" );
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document.write( "5/60=1/x<BR>\n" );
document.write( "1/12=1/x<BR>\n" );
document.write( "x=12 hours with 5 pumps<BR>\n" );
document.write( "30-12=18 hours quicker.\r<BR>\n" );
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