document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=888134>Question 888134</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Twelve men take 6 hours to finish a piece of work. After the 12 men have worked for 1 hour, the contractor decides\r<BR>\n" );
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document.write( "to call in 8 more men. How many more hours would 20 men take to complete the remaining work </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #537102 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=537102\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Twelve men take 6 hours to finish a piece of work. <BR>\n" );
document.write( "In 1 hour, the 12 men will finish 1/6 of the work<BR>\n" );
document.write( "( 1 job ) / ( 6 hrs ) = ( 1/6 of a job ) / ( 1 hr )<BR>\n" );
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document.write( "That means there is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1+-+1%2F6+=+5%2F6+ ALIGN=MIDDLE  ALT=\"+1+-+1%2F6+=+5%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" > of the job<BR>\n" );
document.write( "left to do.<BR>\n" );
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document.write( "If 12 men take 6 hours to finish a piece of work,<BR>\n" );
document.write( "1 man will take 12 times as long, to finish the work, so<BR>\n" );
document.write( "( 1 job ) / ( 6*12 = 72 hrs ) = rate of working for 1 man, or<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F72+ ALIGN=MIDDLE  ALT=\"+1%2F72+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "After 1 hour, there are a total of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+12+%2B+8+=+20+ ALIGN=MIDDLE  ALT=\"+12+%2B+8+=+20+\"   DISABLED_style= \"max-width:90%; height:auto;\" > men working<BR>\n" );
document.write( "20 men will work 20 times as fast as 1 man on the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5%2F6+ ALIGN=MIDDLE  ALT=\"+5%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "of a job that remains, so<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+ ALIGN=MIDDLE  ALT=\"+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = hours for the 20 men to finish the job<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20%2A%28+1%2F72+%29+=+%28%28+5%2F6+%29%29+%2F+t+ ALIGN=MIDDLE  ALT=\"+20%2A%28+1%2F72+%29+=+%28%28+5%2F6+%29%29+%2F+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20%2F72+=+5%2F%286t%29+ ALIGN=MIDDLE  ALT=\"+20%2F72+=+5%2F%286t%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5%2F18+=+5%2F%28+6t%29+ ALIGN=MIDDLE  ALT=\"+5%2F18+=+5%2F%28+6t%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+18t+ ALIGN=MIDDLE  ALT=\"+18t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5t+=+15+ ALIGN=MIDDLE  ALT=\"+5t+=+15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3+ ALIGN=MIDDLE  ALT=\"+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "It will takes the 20 men 3 more hours to <BR>\n" );
document.write( "complete the remaining work<BR>\n" );
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document.write( "Hope I got it\r<BR>\n" );
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document.write( "  </SPAN>\n" );
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