SOLUTION: A postal worker can sort a days worth of mail in 8 hours. with her supervisor helping, it takes 3 hours. how long would it take the supervisor working alone?
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Question 242267: A postal worker can sort a days worth of mail in 8 hours. with her supervisor helping, it takes 3 hours. how long would it take the supervisor working alone? Answer by nyc_function(2741) (Show Source):
