document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=285099>Question 285099</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a tank has two outlets. Pipe A fills the take in 3.5 hours. Pipes A and B fill the same tank in 3 hours. how long will it take for pipe B 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 #206738 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=206738\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3/3.5+3/b=1<BR>\n" );
document.write( "solve for b<BR>\n" );
document.write( " b=21<BR>\n" );
document.write( "It should have been obvious that pipe b doesn't do much work since pipe a can do the whole job in 3.5 hours and together they only save 30 minutes.<BR>\n" );
document.write( "pipe a does 6/7 of the job and pipe b does 3/21=1/7<BR>\n" );
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