Question
At first, Barrel E and Barrel F contained 0.4 ℓ and 2.7 ℓ of water respectively. Some water from Barrel F was poured into Barrel E with no water spilling over. In the end, there was as much water in Barrel E as in Barrel F. How much water was poured from Barrel F to Barrel E?
3 m

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At first, Barrel E and Barrel F contained 0.4 ℓ and 2.7 ℓ of water respectively. Some water from Barrel F was poured into Barrel E with no water spilling over. In the end, there was as much water in Barrel E as in Barrel F. How much water was poured from Barrel F to Barrel E?