Question
A teacup of water and 2 wine glasses of water can fill a container with a capacity of 420 mℓ.
Each wine glass contains 50 mℓ of water.
What is the volume of water of the teacup?
3 m

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A teacup of water and 2 wine glasses of water can fill a container with a capacity of 420 mℓ.
Each wine glass contains 50 mℓ of water.
What is the volume of water of the teacup?