Question
Three pitchers, W, X and Y, contain a total of 15.7 ℓ of water. Pitcher W contains 2.9 ℓ of water more than Pitcher X. Pitcher X contains 4.3 ℓ of water more than Pitcher Y. What is the volume of water in Pitcher X?
3 m

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Three pitchers, W, X and Y, contain a total of 15.7 ℓ of water. Pitcher W contains 2.9 ℓ of water more than Pitcher X. Pitcher X contains 4.3 ℓ of water more than Pitcher Y. What is the volume of water in Pitcher X?