SOLUTION: A new type of pump can drain a pool in 6 hours. An older pump can drain a pool in 14 hours. How long will it take both pumps working together to drain the pool?
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Question 1140639: A new type of pump can drain a pool in 6 hours. An older pump can drain a pool in 14 hours. How long will it take both pumps working together to drain the pool? Answer by ikleyn(52775) (Show Source):
