Question
At first, Jar P and Jar Q contained 0.7 ℓ and 4.3 ℓ of water respectively. Some water from Jar Q was poured into Jar P with no water spilling over. In the end, there was as much water in Jar P as in Jar Q. How much water was poured from Jar Q to Jar P?
3 m

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At first, Jar P and Jar Q contained 0.7 ℓ and 4.3 ℓ of water respectively. Some water from Jar Q was poured into Jar P with no water spilling over. In the end, there was as much water in Jar P as in Jar Q. How much water was poured from Jar Q to Jar P?