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

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