Question
Simon mixed 5 ℓ of concentrated juice with 12 ℓ of water to make persimmon juice to be served for the meeting. After the meeting, 5 ℓ of persimmon juice were left. How much persimmon juice was drunk at the meeting?
4 m

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Simon mixed 5 ℓ of concentrated juice with 12 ℓ of water to make persimmon juice to be served for the meeting. After the meeting, 5 ℓ of persimmon juice were left. How much persimmon juice was drunk at the meeting?