document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=331488>Question 331488</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A mason can make a concrete walk in 6 hours.  His helper requires 9 hours to do the same job.  In how many hours can they make the walk 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 #237576 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=237576\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mason = 1/6\r<BR>\n" );
document.write( "\n" );
document.write( "Helper = 1/9\r<BR>\n" );
document.write( "\n" );
document.write( "Together = 1/x\r<BR>\n" );
document.write( "\n" );
document.write( "1/6 + 1/9 = 1/x\r<BR>\n" );
document.write( "\n" );
document.write( "LCD = 18x\r<BR>\n" );
document.write( "\n" );
document.write( "3x + 2x = 18\r<BR>\n" );
document.write( "\n" );
document.write( "5x = 18\r<BR>\n" );
document.write( "\n" );
document.write( "x = 18/5\r<BR>\n" );
document.write( "\n" );
document.write( "x = 3.6 hours to work together\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );