document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1150110>Question 1150110</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jacob can do 4 jobs in 5 hours. When Kristian helps, together they manage to do 56 jobs in 20 hours. How long would it take Kristian to do 1 job? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #771473 by </B><A HREF=/tutors/aboutme.mpl?userid=VFBundy><B>VFBundy(438)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=VFBundy><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=VFBundy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=771473\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rate per hour it takes Jacob to do one job = 4/5<BR>\n" );
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document.write( "Rate per hour it takes Jacob and Kristian to do one job = 56/20 = 14/5<BR>\n" );
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document.write( "Jacob's rate of jobs per hour + Kristian's rate of jobs per hour = 14/5<BR>\n" );
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document.write( "4/5 + Kristian's rate of jobs per hour = 14/5<BR>\n" );
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document.write( "Kristian's rate of jobs per hour = 14/5 - 4/5<BR>\n" );
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document.write( "Kristian's rate of jobs per hour = 14/5 - 4/5 = 10/5 = 2<BR>\n" );
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document.write( "So, we now know that Kristian can do 2 jobs per hour.<BR>\n" );
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document.write( "If Kristian can do 2 jobs per hour, this means it will take him 0.5 hours to do one job. </SPAN>\n" );
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