Question
Tank W was filled with water with water up to a height of 16 cm while Tank X and Tank Y were empty. Water was poured out into Tank X and Y such that the water in all tanks were the same height in the end. How much water was poured out of Tank W?
4 m

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Tank W was filled with water with water up to a height of 16 cm while Tank X and Tank Y were empty. Water was poured out into Tank X and Y such that the water in all tanks were the same height in the end. How much water was poured out of Tank W?