Question
At first, Jar M and Jar N contained 0.8 ℓ and 1.3 ℓ of water respectively. Some water from Jar N was poured into Jar M with no water spilling over. In the end, there was as much water in Jar M as in Jar N. How much water was poured from Jar N to Jar M?
3 m

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At first, Jar M and Jar N contained 0.8 ℓ and 1.3 ℓ of water respectively. Some water from Jar N was poured into Jar M with no water spilling over. In the end, there was as much water in Jar M as in Jar N. How much water was poured from Jar N to Jar M?