document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=100422>Question 100422</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an electrician can install the electric wires in a house in 14 hours.a second electrician requires 18 hours. how long would it take both electricians, working together, to install the wires? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #73101 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=73101\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1st does 1/14 of the job in an hour<BR>\n" );
document.write( "2nd does 1/18 of the job in an hour<BR>\n" );
document.write( "1/14+1/18<BR>\n" );
document.write( "least common multiple=126: 9/126+7/126=16/126 part of the job done in 1 hr by both of them.<BR>\n" );
document.write( "if we flip the 16/126 over we get how long the job will take: 126/16= 7 7/8 hrs.<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );