document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=355008>Question 355008</A>: <I><SPAN STYLE=\"word-break: break-all;\"> it takes 7 people 8.5 hours to complete a job how long would it take 4 people? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #253631 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=253631\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=amount of time it takes 4 people to complete the job.  Then 4 people work at the rate of 1/x of the job per hour. <BR>\n" );
document.write( "If it it takes 7 people 8.5 hrs to complete the job, then the job requires 7*(8.5) or 59.5 people-hours to complete. In other words, one person can complete the job in 59.5 hours. So one person works at the rate of 1/59.5 of the job per hour; 4 people work at the rate of 4/59.5 of the job per hour.  Soooo our equation to solve is:<BR>\n" );
document.write( "1/x=4/59.5<BR>\n" );
document.write( "1/x=4/59.5<BR>\n" );
document.write( "4x=59.5 hrs<BR>\n" );
document.write( "x=14.875 hrs <BR>\n" );
document.write( "CK<BR>\n" );
document.write( "1 person needs 59.5 hrs to complete the job<BR>\n" );
document.write( "2 people need (59.5)/2 =29.75 hrs to complete the job<BR>\n" );
document.write( "4 people need(59.5)/4=14.875 hrs to complete the job<BR>\n" );
document.write( "7 people need (59.5)/7=8.5 hrs to complete the job<BR>\n" );
document.write( "Hope this helps\r<BR>\n" );
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document.write( "Hope this helps----ptaylor </SPAN>\n" );
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