document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=761782>Question 761782</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man can harvest his farm in 18 hours. His son can harvest the same farm in 12 hours.<BR>\n" );
document.write( "How long will it take them working together? I know the answer is 7.2, I need to know how to write equation to come up with answer.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #463461 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=463461\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/18 +1/12 = 1/x rate<BR>\n" );
document.write( "Denominator = 36x<BR>\n" );
document.write( "2x + 3x = 36<BR>\n" );
document.write( "     5x = 36<BR>\n" );
document.write( "      x = 7.2 hours<BR>\n" );
document.write( "Hope this helps.<BR>\n" );
document.write( ":-) </SPAN>\n" );
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