Question
At first, Barrel N and Barrel P contained 0.6 ℓ and 1.5 ℓ of water respectively. Some water from Barrel P was poured into Barrel N with no water spilling over. In the end, there was as much water in Barrel N as in Barrel P. How much water was poured from Barrel P to Barrel N?
3 m

Click button first when a symbol is required. X

At first, Barrel N and Barrel P contained 0.6 ℓ and 1.5 ℓ of water respectively. Some water from Barrel P was poured into Barrel N with no water spilling over. In the end, there was as much water in Barrel N as in Barrel P. How much water was poured from Barrel P to Barrel N?