SOLUTION: 12 men can clear an area of 250cm² in 30 mins.If 12 more men join the group, how long in hours will it take them to clear an area of 9.5cm²?
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Question 1137566: 12 men can clear an area of 250cm² in 30 mins.If 12 more men join the group, how long in hours will it take them to clear an area of 9.5cm²? Answer by ikleyn(52832) (Show Source):