document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=508431>Question 508431</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A new truck has arrived at Kroger. It takes Jimbo six hours to unload such a truck, while it takes Olaf<BR>\n" );
document.write( "ten hours to unload it. If Jimbo and Olaf work together, how long will it take them to unload the truck? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #340985 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=340985\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A new truck has arrived at Kroger. It takes Jimbo six hours to unload such a truck, while it takes Olaf<BR>\n" );
document.write( "ten hours to unload it. If Jimbo and Olaf work together, how long will it take them to unload the truck?<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Jimbo rate = 1/6 job/hr<BR>\n" );
document.write( "Olaf rate = 1/10 job/hr<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Together rate: 1/x job/hr<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "1/6 + 1/10 = 1/x<BR>\n" );
document.write( "Multiply thru by 30 to get:<BR>\n" );
document.write( "5x + 3x = 30<BR>\n" );
document.write( "8x = 30<BR>\n" );
document.write( "x = 15/4 = 3 hr 45min (time to do the job alone)<BR>\n" );
document.write( "==================================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================= </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );