document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=558899>Question 558899</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pump can fill a tank in 6 hours. Another pump can fill the same tank in 3 hours. How much time will it<BR>\n" );
document.write( "take to fill the tank if both pumps work together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #363263 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=363263\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A pump can fill a tank in 6 hours. Another pump can fill the same tank in 3 hours. How much time will it<BR>\n" );
document.write( "take to fill the tank if both pumps work together?<BR>\n" );
document.write( "---<BR>\n" );
document.write( "1st pump rate = 1/6 tank/hr<BR>\n" );
document.write( "2nd pump rate = 1/3 tank/hr<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Together rate = 1/x tank/hr<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "1/6 + 1/3 = 1/x<BR>\n" );
document.write( "Multiply thru by 6x to get:<BR>\n" );
document.write( "x + 2x = 6<BR>\n" );
document.write( "3x = 6<BR>\n" );
document.write( "x = 2 hrs (time for both working together to fill the tank)<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );