If 3 men can dig a trench 3 feet deep working for 3 hours a day in 3 days, how deep a...
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If 3 men can dig a trench 3 feet deep working for 3 hours a day in 3 days, how deep a trench can 6 men dig working for 6 hours a day for 6 days?
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Answer: A. 6
Standard evaluation according to engineering and computational science principles.
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