SOLUTION: It took 8 workers 4.5 hours to clean up the park after a concert. How many hours would it have taken them if 20 people worked at cleaning up?
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Question 932101: It took 8 workers 4.5 hours to clean up the park after a concert. How many hours would it have taken them if 20 people worked at cleaning up? Answer by ewatrrr(24785) (Show Source):
