document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=805112>Question 805112</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 20 people complete the work in 30 days, then after how many days should 5 people go on leave so that the work is completed in 35 days.\r<BR>\n" );
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document.write( "answer  is 5 days..<BR>\n" );
document.write( "but how please share the complete methods to solve the question.<BR>\n" );
document.write( "thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #485075 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=485075\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 20 people working 30 days are 600 man work days to finish the job.\r<BR>\n" );
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document.write( "If it were 5 days it would be<BR>\n" );
document.write( "20*5=100 man work days.<BR>\n" );
document.write( "15 people working for 30 more days<BR>\n" );
document.write( "15 * 30=450 man work days<BR>\n" );
document.write( "100+450=550<BR>\n" );
document.write( "that only adds up to 550 man work days which isn't enough to finish the job.<BR>\n" );
document.write( "The correct answer is<BR>\n" );
document.write( "20x+15y=600,<BR>\n" );
document.write( "x+y=35<BR>\n" );
document.write( "x = 15,   y = 20<BR>\n" );
document.write( "5 people leave after 15 days <BR>\n" );
document.write( "and 15 people finish the work in 20 more days\r<BR>\n" );
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