document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=313993>Question 313993</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A mason can build a wall in 10 hours.  An apprentice can build a wall in 15 hours.  How long would it take them to build the wall if they worked together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #224479 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=224479\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/10+1/15=1/x<BR>\n" );
document.write( "(15+10)/10*15=1/x<BR>\n" );
document.write( "25/150=1/x<BR>\n" );
document.write( "1/6=1/x<BR>\n" );
document.write( "x=6 hours ans. when they work together, </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );