Question
Xuan poured 34 ℓ of water into a cup. She drank some of it and used 14 ℓ  to water her poppies. 15 ℓ of water was then left in the cup. How much water did Xuan drink?
3 m

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Xuan poured 34 ℓ of water into a cup. She drank some of it and used 14 ℓ  to water her poppies. 15 ℓ of water was then left in the cup. How much water did Xuan drink?