Question
Three pitchers, B, C and D, contain a total of 15.8 ℓ of water. Pitcher B contains 1.2 ℓ of water more than Pitcher C. Pitcher C contains 5.2 ℓ of water more than Pitcher D. What is the volume of water in Pitcher C?
3 m

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Three pitchers, B, C and D, contain a total of 15.8 ℓ of water. Pitcher B contains 1.2 ℓ of water more than Pitcher C. Pitcher C contains 5.2 ℓ of water more than Pitcher D. What is the volume of water in Pitcher C?