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

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