document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937625>Question 937625</A>: <I><SPAN STYLE=\"word-break: break-all;\"> it took 4 workers 9 days to complete a renovation work.how many workers would it take to complete the same work in 6 days? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #571044 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=571044\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> RT=J rate time job.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Let r = work rate of one worker.\r<BR>\n" );
document.write( "\n" );
document.write( "Let n = how many workers for the question.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Amount of job is 1 renovation.\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%284r%2A9=1=nr%2A6%29 ALIGN=MIDDLE  ALT=\"highlight%284r%2A9=1=nr%2A6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "That is an equation with apparently two unknown variables, but r is a factor on both sides, so it is a common factor, and the equation becomes just of one variable, n. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );