document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1036554>Question 1036554</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A contractor agrees to lay a road 3000 m long in 30 days. 50 men are employed and they work for 8 hours  say. After 20 working days, he finds that only 1200 m of the road is completed. How many more men does he need to employ in order to finish the project on time if each man now works 10 hours a day? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #651301 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=651301\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A contractor agrees to lay a road 3000 m long in 30 days.<BR>\n" );
document.write( " 50 men are employed and they work for 8 hours say. After 20 working days, he finds that only 1200 m of the road is completed.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Find the number of man-hrs required to complete 1200 meters<BR>\n" );
document.write( "50*8*20 = 8000 man-hrs<BR>\n" );
document.write( "Find the no. of meters per man-hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1200%2F8000 ALIGN=MIDDLE  ALT=\"1200%2F8000\"   DISABLED_style= \"max-width:90%; height:auto;\" > = .15 meters per per man-hr<BR>\n" );
document.write( ":<BR>\n" );
document.write( " How many more men does he need to employ in order to finish the project on time if each man now works 10 hours a day?<BR>\n" );
document.write( "Find how many man-hr required to do the remaining 1800 meters<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1800%2F.15 ALIGN=MIDDLE  ALT=\"1800%2F.15\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 12000 man-hrs<BR>\n" );
document.write( "let m = no. of additional men required to accomplish this in 10 days working 10 hrs a day<BR>\n" );
document.write( "10*10*(m+50) = 12000<BR>\n" );
document.write( "100m + 5000 = 12000<BR>\n" );
document.write( "100m = 12000 - 5000<BR>\n" );
document.write( "100m = 7000<BR>\n" );
document.write( "m = 7000/100<BR>\n" );
document.write( "m = 70 more men </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );