It takes 3 hours for the master to make 8 identical parts, and 5 hours for the apprentice to make one such part. How many hours does it take for each of the master and apprentice? Who can do it faster?
做8个同样的零件，师傅要3小时，徒弟要5小时，做1个这样的零件，师徒各需多少小时，谁做得快些？
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