document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1021569>Question 1021569</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A construction firm was hired to repaint a very large bridge. Written into the contract was a $2 million penalty if the bridge was not completed in 87 days; Their crew of 7 painted 1/3 of the bridge in 45 days. How many more painters should be hired to allow the crew to paint the rest of the bridge in the 42 remaining days?\r<BR>\n" );
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document.write( "-The class calculated that if 7 crew members painted 1/3 of the bridge in 45 days, then (1/3 bridge / 7 members) = 1/21 per crew member...<BR>\n" );
document.write( "BUT: I wasn't sure what to do with that information, though.\r<BR>\n" );
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document.write( "Can you help me understand how to get to the solution?  Thank you in advance.\r<BR>\n" );
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document.write( "-Mark<BR>\n" );
document.write( "Mark.ed.wells@gmail.com<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #637461 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=637461\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (1/21 per member)/(45 days)=1/945 bridge per man per day<BR>\n" );
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document.write( "2/3 bridge is 630/945 of the bridge:<BR>\n" );
document.write( "At 1/945 bridge per man-day, we need 630 man-days in 42 days<BR>\n" );
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document.write( "630 man-days/42 days=15 men.<BR>\n" );
document.write( "We need 15 painters to finish in time, and we have 7 men,<BR>\n" );
document.write( "so we need 8 additional men. <BR>\n" );
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