document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=887113>Question 887113</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if jon can paint a fence in 3 hours and karen can paint it in 6 hours , find how long it takes them to paint it together.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #536384 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=536384\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Parallel resistors, parallel flow and parallel work are similar.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "t = 3*6/(3+6)<BR>\n" );
document.write( "t = 2 hours<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "To explain:<BR>\n" );
document.write( "In 1 hour, jon paints 1/3 of the fence and karen paints 1/6<BR>\n" );
document.write( "--> each hour, they paint 1/3 + 1/6 together = 1/2 of the fence.<BR>\n" );
document.write( "1/2 per hour --> 2 hours to do the job.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );