Question
The total capacity of a pitcher and a flask is 6 ℓ. The total capacity of 2 such pitchers and 4 such flasks is 20 ℓ. What is the capacity of each flask? Express your answer in ℓ.
4 m

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The total capacity of a pitcher and a flask is 6 ℓ. The total capacity of 2 such pitchers and 4 such flasks is 20 ℓ. What is the capacity of each flask? Express your answer in ℓ.