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

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