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 #310403 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=310403\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a takes a hrs to fill the pool. b takes 2a hrs.<BR>\n" );
document.write( "a fills 1/a of the pool in 1 hr. b fills 1/2a of the pool in 1 hr.<BR>\n" );
document.write( "1/a + 1/2a = 1/8<BR>\n" );
document.write( "8+4=a multiply each side by 8a<BR>\n" );
document.write( "a=12 hrs<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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