Im just not sure...
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Twenty hours. This is a rate problem a wall per 80 man hours.
4 men would require 20 hours to equal 80 man hours.
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still ten hours because you know thats the only four who was building it to begin with while the other four stood and watched.
It would take 20 hours because you have half the men, therefore it would take double the time. Awesome Ben! Close Diane :))
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