document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=909914>Question 909914</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Lamont can complete his math homework in 6 hr. Somto can complete his math homeowrk in 9 hr. Working together, how long will it take them to do the math homework? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #552116 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=552116\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/a+1/b=1/x<BR>\n" );
document.write( "1/6+1/9=1/x<BR>\n" );
document.write( "9/54+6/54=1/x<BR>\n" );
document.write( "15/54=1/x<BR>\n" );
document.write( "x=54/15<BR>\n" );
document.write( "x=3.6 hours working together<BR>\n" );
document.write( "check<BR>\n" );
document.write( "x/a+x/b=1<BR>\n" );
document.write( "x/6+x/9=1<BR>\n" );
document.write( "3.6/6+3.6/9=1<BR>\n" );
document.write( "0.6+0.4=1<BR>\n" );
document.write( "1.0=1<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );