document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=820993>Question 820993</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 4 men making a house. One guy can make it in 2 days , another guy in 10 days, another in 40 days , another in 20 days. How long will it take them to finish 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 #493825 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=493825\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The rates are additive.  Think of the rate of work as \"job per day\" and find the combined rate of all the men.\r<BR>\n" );
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document.write( "Their rate in houses per day is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2%2B1%2F10%2B1%2F40%2B1%2F20 ALIGN=MIDDLE  ALT=\"1%2F2%2B1%2F10%2B1%2F40%2B1%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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