Question
Tank H was filled with water with water up to a height of 14 cm while Tank J and Tank K were empty. Water was poured out into Tank J and K such that the water in all tanks were the same height in the end. How much water was poured out of Tank H?
4 m

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Tank H was filled with water with water up to a height of 14 cm while Tank J and Tank K were empty. Water was poured out into Tank J and K such that the water in all tanks were the same height in the end. How much water was poured out of Tank H?