document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=451383>Question 451383</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Trying to help my little brother with his homework, with little success.\r<BR>\n" );
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document.write( "Pipes A and B take 8 hours to fill a pool. Pipe A is twice the size of pipe B. How long would it take to fill the pool using only pipe A?\r<BR>\n" );
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document.write( "We believe 2 + 2b = 8 would be a logical starting place, but don't know where to go from there.\r<BR>\n" );
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document.write( "Thanks for any help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #310400 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=310400\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If pipe A is twice as big as pipe B, then it is safe to assume that pipe B takes twice as long as pipe A to fill the pool.  Therefore:<BR>\n" );
document.write( "Pipe A + Pipe B=1/8 pool per hour<BR>\n" );
document.write( "1/t+1/2t=1/8<BR>\n" );
document.write( "8+4=t<BR>\n" );
document.write( "t=12<BR>\n" );
document.write( "Pipe A takes 12 hours to fill the pool alone; pipe B takes 24 hours to fill the pool alone.. </SPAN>\n" );
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