Question
Gwen had 28 ℓ of grapefruit juice. She used 45 of the grapefruit juice for a picnic and 27 of the remaining grapefruit juice to bake grapefruit-flavoured cookies. How much grapefruit juice did she have left? Give your answer in litres.
2 m

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Gwen had 28 ℓ of grapefruit juice. She used 45 of the grapefruit juice for a picnic and 27 of the remaining grapefruit juice to bake grapefruit-flavoured cookies. How much grapefruit juice did she have left? Give your answer in litres.