document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=187088>Question 187088</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A contractor finds it takes Sam 11hours to construct a wall of certain size. It takes Jime 6hours to do it.  How long would it take if the 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 #140234 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=140234\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A contractor finds it takes Sam 11hours to construct a wall of certain size. It takes Jime 6hours to do it. How long would it take if the work together?<BR>\n" );
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document.write( "The \"trick\" to this type of problem is to find terms that can be added.<BR>\n" );
document.write( "Adding 11 and 6 is obviously not it.<BR>\n" );
document.write( "Sam takes 11 hrs to do a wall, so in 1 hour he does 1/11 of a wall.<BR>\n" );
document.write( "Jime does 1/6 of a wall per hour.<BR>\n" );
document.write( "Add 1/6 and 1/11 = 17/66 together.<BR>\n" );
document.write( "If they do 17/66 of a wall per hour, it will take 66/17 hours to do a wall.<BR>\n" );
document.write( "66/17 hours is it.<BR>\n" );
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document.write( "There's a shortcut you can use, product/sum, for 2 workers.<BR>\n" );
document.write( "11*6/(11+6) = 66/17<BR>\n" );
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