document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=40410>Question 40410</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A tank can be filled in 18 hours by Pipe A or 24 hours by Pipe B. How long would it take both pipes to fill the tank?<BR>\n" );
document.write( "_____hours<BR>\n" );
document.write( "--------------------------------------------------------------------------------<BR>\n" );
document.write( "It takes Sarah 8 hours to fill a Widget. Jerry can do the same job in 12 hours. How long would it take them to assemble a Widget if they worked together?<BR>\n" );
document.write( "_______hours. <BR>\n" );
document.write( "Thanks  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #25923 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=25923\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A tank can be filled in 18 hours by Pipe A or 24 hours by Pipe B. How long would it take both pipes to fill the tank?<BR>\n" );
document.write( "_____hours<BR>\n" );
document.write( "Pipe A's rate: (1/18)<BR>\n" );
document.write( "Pipe B's rate: (1/24)<BR>\n" );
document.write( "Rate * Time = Work<BR>\n" );
document.write( "(t/18) + (t/24) = 1<BR>\n" );
document.write( "72(t/18) + 72(t/24) = 72<BR>\n" );
document.write( "4t + 3t = 72<BR>\n" );
document.write( "7t = 72<BR>\n" );
document.write( "t = 72/7 = 10 2/7<BR>\n" );
document.write( "--------------------------------------------------------------------------------<BR>\n" );
document.write( "It takes Sarah 8 hours to fill a Widget. Jerry can do the same job in 12 hours. How long would it take them to assemble a Widget if they worked together?<BR>\n" );
document.write( "_______hours<BR>\n" );
document.write( "Sarah's rate: (1/8)<BR>\n" );
document.write( "Jerry's rate: (1/12)<BR>\n" );
document.write( "RATE * TIME = WORK<BR>\n" );
document.write( "(t/8) + (t/12) = 1<BR>\n" );
document.write( "24(t/8) + 24(t/12) = 24<BR>\n" );
document.write( "3t + 2t = 24<BR>\n" );
document.write( "5t = 24<BR>\n" );
document.write( "t = 24/5 = 4 4/5 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );