SOLUTION: a mason can construct a retaining wall in 10 h. with the mason's apprentice assisting, the task takes 6 h. how long would it take the apprentice, working alone, to construct the wa
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Question 446852: a mason can construct a retaining wall in 10 h. with the mason's apprentice assisting, the task takes 6 h. how long would it take the apprentice, working alone, to construct the wall? Answer by robertb(4012) (Show Source):
