Question
Three bottles, V, W and X, contain a total of 10.5 ℓ of water. Bottle V contains 2.5 ℓ of water more than Bottle W. Bottle W contains 3.1 ℓ of water more than Bottle X. What is the volume of water in Bottle W?
3 m

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Three bottles, V, W and X, contain a total of 10.5 ℓ of water. Bottle V contains 2.5 ℓ of water more than Bottle W. Bottle W contains 3.1 ℓ of water more than Bottle X. What is the volume of water in Bottle W?