SOLUTION: A tap takes 15 minutes to fill up a drum. If the water filling the drum doubles with every minute, when is the drum half full?
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Question 851739: A tap takes 15 minutes to fill up a drum. If the water filling the drum doubles with every minute, when is the drum half full?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
it is half full after 14 minutes
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