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Ok, imagine a large empty bin with. Say that each minute people would come and put in one golf ball a piece. The first minute(Starting at 12 noon), 1 person came and put in a ball. The second minute, 2 people put in one ball a piece. A minute later, 4 people put in 1 ball a piece. This pattern continued until the bin was exactly full at 6 pm. At what time was the bin half empty? Answer:
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