Question
At first, Container Q and Container R contained 0.6 ℓ and 3.4 ℓ of water respectively. Some water from Container R was poured into Container Q with no water spilling over. In the end, there was as much water in Container Q as in Container R. How much water was poured from Container R to Container Q?
3 m

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At first, Container Q and Container R contained 0.6 ℓ and 3.4 ℓ of water respectively. Some water from Container R was poured into Container Q with no water spilling over. In the end, there was as much water in Container Q as in Container R. How much water was poured from Container R to Container Q?