Question
Mark mixed 5 ℓ of concentrated juice with 15 ℓ of water to make passion fruit juice to be served for the meeting. After the meeting, 7 ℓ of passion fruit juice were left. How much passion fruit juice was drunk at the meeting?
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Mark mixed 5 ℓ of concentrated juice with 15 ℓ of water to make passion fruit juice to be served for the meeting. After the meeting, 7 ℓ of passion fruit juice were left. How much passion fruit juice was drunk at the meeting?