document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=262073>Question 262073</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One pipe can fill a tank in 6 hours less than another.  Together they can fill the tank in 4 hours.  How long would it take each alone to fill the tank? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #193132 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=193132\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4/(x-6)+4/x=1<BR>\n" );
document.write( "4x+4(x-6)=(x-6)*x<BR>\n" );
document.write( "8x-24=x^2-6x<BR>\n" );
document.write( "0=x^2-14x+24<BR>\n" );
document.write( "(x-2)(x-12)=0\r<BR>\n" );
document.write( "\n" );
document.write( "x=2 or x=12<BR>\n" );
document.write( "we can't use x=2 since we can't have -4 hours<BR>\n" );
document.write( "4/12+4/6=1<BR>\n" );
document.write( "2/6+4/6=1<BR>\n" );
document.write( "true<BR>\n" );
document.write( "x=12 hours<BR>\n" );
document.write( "one in 12 hours  and one in 6 hours<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );