Question
At first, Pail W and Pail X contained 0.8 ℓ and 2.5 ℓ of water respectively. Some water from Pail X was poured into Pail W with no water spilling over. In the end, there was as much water in Pail W as in Pail X. How much water was poured from Pail X to Pail W?
3 m

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At first, Pail W and Pail X contained 0.8 ℓ and 2.5 ℓ of water respectively. Some water from Pail X was poured into Pail W with no water spilling over. In the end, there was as much water in Pail W as in Pail X. How much water was poured from Pail X to Pail W?