Question
Three flasks, X, Y and Z, contain a total of 13.2 ℓ of water. Flask X contains 2.9 ℓ of water more than Flask Y. Flask Y contains 4.4 ℓ of water more than Flask Z. What is the volume of water in Flask Y?
3 m

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Three flasks, X, Y and Z, contain a total of 13.2 ℓ of water. Flask X contains 2.9 ℓ of water more than Flask Y. Flask Y contains 4.4 ℓ of water more than Flask Z. What is the volume of water in Flask Y?