Question
Tank X is half-filled with water while Tank Y is empty. Ryan poured water from Tank X into Tank Y without spilling until the water level in both tanks were the same. What is the volume of the water in Tank Y now?
5 m

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Tank X is half-filled with water while Tank Y is empty. Ryan poured water from Tank X into Tank Y without spilling until the water level in both tanks were the same. What is the volume of the water in Tank Y now?