Question
Mrs Jen bought a 3-litre bottle of sauce. She used 12 ℓ of the sauce in February and 25 ℓ in March. How much oil had she left?
3 m

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Mrs Jen bought a 3-litre bottle of sauce. She used 12 ℓ of the sauce in February and 25 ℓ in March. How much oil had she left?