Question
At first, Pot X and Pot Y contained 0.7 ℓ and 3.6 ℓ of water respectively. Some water from Pot Y was poured into Pot X with no water spilling over. In the end, there was as much water in Pot X as in Pot Y. How much water was poured from Pot Y to Pot X?
3 m

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At first, Pot X and Pot Y contained 0.7 ℓ and 3.6 ℓ of water respectively. Some water from Pot Y was poured into Pot X with no water spilling over. In the end, there was as much water in Pot X as in Pot Y. How much water was poured from Pot Y to Pot X?