Question
A cup of water and 3 glasses of water can fill a container with a capacity of 690 mℓ.
Each glass contains 180 mℓ of water.
What is the volume of water of the cup?
3 m

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A cup of water and 3 glasses of water can fill a container with a capacity of 690 mℓ.
Each glass contains 180 mℓ of water.
What is the volume of water of the cup?