document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=950626>Question 950626</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A contractor undertakes to dig a canal, 6 kilometer long in 35 days and employed 90 men. He finds that after 20 days only  2 kilometer of canal have been completed. How many more  man  must be employed to finish the work in time. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #580481 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=580481\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2000m/(90 men/20day)=1.11 m /man/day Each man digs 1.11 meters of canal per day.<BR>\n" );
document.write( "To finish the contractor must dig 6 km-2km=4km in 35 days-20 days=15 days.<BR>\n" );
document.write( "To dig 4 km (4000 meters)in 15 days, he must dig 4000 m/15=266.67 meters per day. At 1.11 meters per man, he needs a total of 266.67 m/1.11 m/man=241 men. He already has 90 men so he needs (241 men-90 men)=151 men.<BR>\n" );
document.write( "ANSWER: The contractor needs to hire 151 more men to finish the canal on time. <BR>\n" );
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