Question
Three pitchers, Y, Z and A, contain a total of 12.3 ℓ of water. Pitcher Y contains 2.9 ℓ of water more than Pitcher Z. Pitcher Z contains 3.5 ℓ of water more than Pitcher A. What is the volume of water in Pitcher Z?
3 m

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Three pitchers, Y, Z and A, contain a total of 12.3 ℓ of water. Pitcher Y contains 2.9 ℓ of water more than Pitcher Z. Pitcher Z contains 3.5 ℓ of water more than Pitcher A. What is the volume of water in Pitcher Z?