Question
Three pitchers, V, W and X, contain a total of 13.5 ℓ of water. Pitcher V contains 1.9 ℓ of water more than Pitcher W. Pitcher W contains 3.1 ℓ of water more than Pitcher X. What is the volume of water in Pitcher W?
3 m

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Three pitchers, V, W and X, contain a total of 13.5 ℓ of water. Pitcher V contains 1.9 ℓ of water more than Pitcher W. Pitcher W contains 3.1 ℓ of water more than Pitcher X. What is the volume of water in Pitcher W?