document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=213105>Question 213105</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A hurricane strikes and a rural area is without food or water. Three crews arrive. One can dispense needed supplies in 13 hours, a second in 16 hours, and a third in 22 hours. How long will it take all three crews working together to dispense food and water? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #160998 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=160998\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1st crew does 1/13 of the work in 1 hr.<BR>\n" );
document.write( "2nd crew does 1/16 of the work in 1 hr.<BR>\n" );
document.write( "3rd crew does 1/22 of the work in 1 hr.<BR>\n" );
document.write( "Together 1/13 + 1/16 + 1/22 = 176/2288 + 143/2288 +104/2288 = 423/2288 of the work in 1 hr. (2288 is the LCD)<BR>\n" );
document.write( "2288/423=5.4... hrs it takes the 3 crews to do the job.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
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