document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=512923>Question 512923</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes Sara 2 hours to paint a fence and Daniel 4 hours to paint the same fence. How long will it take to paint the fence if they 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 #342795 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=342795\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It takes Sara 2 hours to paint a fence and Daniel 4 hours to paint the same fence. How long will it take to paint the fence if they work together?<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Sara rate: 1/2 job/hr<BR>\n" );
document.write( "Dan rate:: 1/4 job/hr<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Together rate: 1/x job/hr<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "1/2 + 1/4 = 1/x<BR>\n" );
document.write( "Multiply thru by 4x to get:<BR>\n" );
document.write( "2x + x = 4<BR>\n" );
document.write( "3x = 4<BR>\n" );
document.write( "x = 3/4 hr. (time to do the job together)<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" );