Question
At first, Tank U and Tank V contained 0.6 ℓ and 2.5 ℓ of water respectively. Some water from Tank V was poured into Tank U with no water spilling over. In the end, there was as much water in Tank U as in Tank V. How much water was poured from Tank V to Tank U?
3 m

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At first, Tank U and Tank V contained 0.6 ℓ and 2.5 ℓ of water respectively. Some water from Tank V was poured into Tank U with no water spilling over. In the end, there was as much water in Tank U as in Tank V. How much water was poured from Tank V to Tank U?