Question
Beaker R has 400 mℓ of water and Beaker S has 500 mℓ of water. How much water must be added into Beaker R so that it has the same volume as Beaker S?
4 m

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Beaker R has 400 mℓ of water and Beaker S has 500 mℓ of water. How much water must be added into Beaker R so that it has the same volume as Beaker S?