document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=831014>Question 831014</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Four men working together can dig a trench in 42 days. They begin the job, but one worker works only 1/2 days. How long will it take to complete the job? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #501063 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=501063\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The rate for 4 men is 1 trench in 42 days<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the fraction of a trench dug<BR>\n" );
document.write( "by 4 men in 1/2 day<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F42+%2B+x%2F%28%281%2F2%29%29+ ALIGN=MIDDLE  ALT=\"+1%2F42+%2B+x%2F%28%281%2F2%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F42+=+2x+ ALIGN=MIDDLE  ALT=\"+1%2F42+=+2x+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+1%2F84+ ALIGN=MIDDLE  ALT=\"+x+=+1%2F84+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "That means there is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1+-+1%2F84+=+83%2F84+ ALIGN=MIDDLE  ALT=\"+1+-+1%2F84+=+83%2F84+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "of a trench left to dig after 1/2 day<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "3 men have to finish the job<BR>\n" );
document.write( "If 4 men take 42 days to dig a trench,<BR>\n" );
document.write( "1 man takes 4 times as long, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4%2A42+=+168+ ALIGN=MIDDLE  ALT=\"+4%2A42+=+168+\"   DISABLED_style= \"max-width:90%; height:auto;\" > days<BR>\n" );
document.write( "3 men take 1/3 of that time, or 56 days<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y ALIGN=MIDDLE  ALT=\"y\"   DISABLED_style= \"max-width:90%; height:auto;\" >  = the number of days for 3<BR>\n" );
document.write( "men to dig <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+83%2F84+ ALIGN=MIDDLE  ALT=\"+83%2F84+\"   DISABLED_style= \"max-width:90%; height:auto;\" > of the trench<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F56+=+%28+83%2F84%29%2Fy+ ALIGN=MIDDLE  ALT=\"+1%2F56+=+%28+83%2F84%29%2Fy+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y%2A%28+1%2F56+%29+=+83%2F84+ ALIGN=MIDDLE  ALT=\"+y%2A%28+1%2F56+%29+=+83%2F84+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+%28+56%2A83%29+%2F+84+ ALIGN=MIDDLE  ALT=\"+y+=+%28+56%2A83%29+%2F+84+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+4648%2F84+ ALIGN=MIDDLE  ALT=\"+y+=+4648%2F84+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+55.333+ ALIGN=MIDDLE  ALT=\"+y+=+55.333+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "It will take <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.5+%2B+55.333+=+55.5333+ ALIGN=MIDDLE  ALT=\"+.5+%2B+55.333+=+55.5333+\"   DISABLED_style= \"max-width:90%; height:auto;\" > days<BR>\n" );
document.write( "to finish the job<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "Hope I got it\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );