document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=877060>Question 877060</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a and b can each pack 120 crates in 24 hours and 30 hours respectively. how long will they take to pack 240 crates working together ??? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #531600 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=531600\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> for 120 crates <BR>\n" );
document.write( "1/24+1/30=1/x<BR>\n" );
document.write( "x = 40/3=13.34 hours together<BR>\n" );
document.write( "for 240 crates<BR>\n" );
document.write( "x = 80/3=26.67 hours together\r<BR>\n" );
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