Question
Barbara had 20 ℓ of guava juice. She used 12 of the guava juice for a picnic and 25 of the remaining guava juice to bake guava-flavoured scones. How much guava juice did she have left? Give your answer in litres.
2 m

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Barbara had 20 ℓ of guava juice. She used 12 of the guava juice for a picnic and 25 of the remaining guava juice to bake guava-flavoured scones. How much guava juice did she have left? Give your answer in litres.