Question
Mrs Zoe bought a 3-litre bottle of oil. She used 14 ℓ of the oil in March and 12 ℓ in April. How much oil had she left?
3 m

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Mrs Zoe bought a 3-litre bottle of oil. She used 14 ℓ of the oil in March and 12 ℓ in April. How much oil had she left?