Question
PSLE
Opal had a bottle of coffee. She drank 200 mℓ of coffee in the afternoon and 37 of remaining coffee at night. After that, there was 13 a bottle of coffee left. How much of the coffee did she drink at night?
2 m

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PSLE
Opal had a bottle of coffee. She drank 200 mℓ of coffee in the afternoon and 37 of remaining coffee at night. After that, there was 13 a bottle of coffee left. How much of the coffee did she drink at night?