Question
Three buckets contain an average of 46 ℓ of softener. The 1st bucket contains 51 ℓ of softener and the 2nd bucket contains 10 ℓ more softener than the 1st bucket. How much softener does the 3rd bucket contain?
2 m

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Three buckets contain an average of 46 ℓ of softener. The 1st bucket contains 51 ℓ of softener and the 2nd bucket contains 10 ℓ more softener than the 1st bucket. How much softener does the 3rd bucket contain?