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test 38 #13

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Re: test 38 #13

by jayhawk2001 » Tue May 01, 2007 9:04 pm
dunkin77 wrote:Hi,

The answer is E) - can anyone explain pls?
Consider, x to be the number of boxes and w to be the number of
workers in the day crew.

For the day crew: boxes * people = xw

For the night crew: boxes * people = 3/4x * 4/5w

So, % of day crew = xw / (xw + 3/4x*4/5w) = 5/8
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