document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=739939>Question 739939</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Mr. Pike's office has two photocopy machines. The older machine takes six hours to make all copies of the financial report. The newer machine takes only five hours. If both machines are used, how long will it the for the job to be completed?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451416 by </B><A HREF=/tutors/aboutme.mpl?userid=fcabanski><B>fcabanski(1391)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fcabanski><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=451416\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Job (usually 1) = work rate x time.<P>\r<BR>\n" );
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document.write( "Machine 1:  1 = r*6 so 1/6 = rate. <P><BR>\n" );
document.write( "Machine 2:  1 = r*5 so 1/5 = rate.<P><BR>\n" );
document.write( "For them working together:  1 = (1/6 + 1/5)* t = (11/30)* t so 30/11 = t = 2 hours 43.6 minutes.<BR>\n" );
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