Question
Three jugs, X, Y and Z, contain a total of 18.2 ℓ of water. Jug X contains 1.4 ℓ of water more than Jug Y. Jug Y contains 2.1 ℓ of water more than Jug Z. What is the volume of water in Jug Y?
3 m

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Three jugs, X, Y and Z, contain a total of 18.2 ℓ of water. Jug X contains 1.4 ℓ of water more than Jug Y. Jug Y contains 2.1 ℓ of water more than Jug Z. What is the volume of water in Jug Y?