Question
Elijah mixed 9 ℓ of concentrated juice with 10 ℓ of water to make chikoo juice to be served for the meeting. After the meeting, 7 ℓ of chikoo juice were left. How much chikoo juice was drunk at the meeting?
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Elijah mixed 9 ℓ of concentrated juice with 10 ℓ of water to make chikoo juice to be served for the meeting. After the meeting, 7 ℓ of chikoo juice were left. How much chikoo juice was drunk at the meeting?