Question
Beaker Q has 800 mℓ of water and Beaker R has 900 mℓ of water. How much water must be added into Beaker Q so that it has the same volume as Beaker R?
4 m

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Beaker Q has 800 mℓ of water and Beaker R has 900 mℓ of water. How much water must be added into Beaker Q so that it has the same volume as Beaker R?