Question
Three pitchers, V, W and X, contain a total of 18.7 ℓ of water. Pitcher V contains 3.3 ℓ of water more than Pitcher W. Pitcher W contains 5.3 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 18.7 ℓ of water. Pitcher V contains 3.3 ℓ of water more than Pitcher W. Pitcher W contains 5.3 ℓ of water more than Pitcher X. What is the volume of water in Pitcher W?