Question
Nick bought 50 ℓ of distilled water. After he had used the distilled water for the party, he had 10 ℓ of distilled water left. How many ℓ of distilled water did he use?
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Nick bought 50 ℓ of distilled water. After he had used the distilled water for the party, he had 10 ℓ of distilled water left. How many ℓ of distilled water did he use?