document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=965113>Question 965113</A>: <I><SPAN STYLE=\"word-break: break-all;\"> one pump can drain a pool in 3 minutes. when a second pump is also used, the poo; only takes 2 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #589909 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=589909\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> one pump can drain a pool in 3 minutes. when a second pump is also used, the poo; only takes 2 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "1st pump can drain the pool in 3 min by itself<BR>\n" );
document.write( "1/3=its drain rate<BR>\n" );
document.write( "2nd pump can drain the pool in x min by itself<BR>\n" );
document.write( "1/x=its drain rate<BR>\n" );
document.write( "1st and 2nd pumps working together can drain the pool in 2 min<BR>\n" );
document.write( "their drain rate=1/2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "sum of indv. rates=rate working together<BR>\n" );
document.write( "1/3+1/x=1/2<BR>\n" );
document.write( "1/x=1/2-1/3=3/6-2/6=1/6<BR>\n" );
document.write( "x=6<BR>\n" );
document.write( "How long would it take the second pump to drain the pool if it were the only pump in use? 6 min </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );