Question
Mrs Shiyun bought a 5-litre bottle of syrup. She used 13 ℓ of the syrup in January and 59 ℓ in February. How much oil had she left?
3 m

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Mrs Shiyun bought a 5-litre bottle of syrup. She used 13 ℓ of the syrup in January and 59 ℓ in February. How much oil had she left?