Question
At first, Jar X and Jar Y contained 0.7 ℓ and 2.5 ℓ of water respectively. Some water from Jar Y was poured into Jar X with no water spilling over. In the end, there was as much water in Jar X as in Jar Y. How much water was poured from Jar Y to Jar X?
3 m

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At first, Jar X and Jar Y contained 0.7 ℓ and 2.5 ℓ of water respectively. Some water from Jar Y was poured into Jar X with no water spilling over. In the end, there was as much water in Jar X as in Jar Y. How much water was poured from Jar Y to Jar X?