document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=975774>Question 975774</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Certain men can complete a work in 160 days .If there were 10 men more,the work would have been complete in 20 days less.How many men were there? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #597441 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39631)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=597441\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> n, certain quantity of men to do work.<BR>\n" );
document.write( "nr, the rate for n men to do work.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=nr%2A160=1 ALIGN=MIDDLE  ALT=\"nr%2A160=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, one job complete.\r<BR>\n" );
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document.write( "Ten more men:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28n%2B10%29r%28160-20%29=1 ALIGN=MIDDLE  ALT=\"%28n%2B10%29r%28160-20%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28n%2B10%29r%28140%29=1 ALIGN=MIDDLE  ALT=\"%28n%2B10%29r%28140%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=140nr%2B1400r=1 ALIGN=MIDDLE  ALT=\"140nr%2B1400r=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "System of Equations:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28nr%2A160=1%2C140nr%2B1400r=1%29 ALIGN=MIDDLE  ALT=\"system%28nr%2A160=1%2C140nr%2B1400r=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "You can solve and substitute for nr, first to find r.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=nr=1%2F160 ALIGN=MIDDLE  ALT=\"nr=1%2F160\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ";<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=140%281%2F160%29%2B1400r=1 ALIGN=MIDDLE  ALT=\"140%281%2F160%29%2B1400r=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=14%2F16%2B1400r=1 ALIGN=MIDDLE  ALT=\"14%2F16%2B1400r=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1400r=1-7%2F8 ALIGN=MIDDLE  ALT=\"1400r=1-7%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1400r=1%2F8 ALIGN=MIDDLE  ALT=\"1400r=1%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28r=1%2F%288%2A1400%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28r=1%2F%288%2A1400%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----now the rate of one man is known.\r<BR>\n" );
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document.write( "Return to the first equation, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=nr%2A160=1 ALIGN=MIDDLE  ALT=\"nr%2A160=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Solve for n, how many men.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n=1%2F%28160r%29 ALIGN=MIDDLE  ALT=\"n=1%2F%28160r%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n=1%2F%28160%2F%288%2A1400%29%29 ALIGN=MIDDLE  ALT=\"n=1%2F%28160%2F%288%2A1400%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=n=1%2F%2816%2F%288%2A140%29%29 ALIGN=MIDDLE  ALT=\"n=1%2F%2816%2F%288%2A140%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=n=1%2F%282%2F140%29=140%2F2 ALIGN=MIDDLE  ALT=\"n=1%2F%282%2F140%29=140%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28n=70%29 ALIGN=MIDDLE  ALT=\"highlight%28n=70%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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