Question
At first, Pail B and Pail C contained 0.5 ℓ and 1.9 ℓ of water respectively. Some water from Pail C was poured into Pail B with no water spilling over. In the end, there was as much water in Pail B as in Pail C. How much water was poured from Pail C to Pail B?
3 m

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At first, Pail B and Pail C contained 0.5 ℓ and 1.9 ℓ of water respectively. Some water from Pail C was poured into Pail B with no water spilling over. In the end, there was as much water in Pail B as in Pail C. How much water was poured from Pail C to Pail B?