Question
A jug has 645 mℓ of distilled water. A flask has 255 mℓ of distilled water. How much more distilled water must be added into the flask so that it has the same amount of distilled water as the jug?
4 m

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A jug has 645 mℓ of distilled water. A flask has 255 mℓ of distilled water. How much more distilled water must be added into the flask so that it has the same amount of distilled water as the jug?