Question
Lucy had 21 ℓ of pear juice. She used 15 of the pear juice for a picnic and 27 of the remaining pear juice to bake pear-flavoured scones. How much pear juice did she have left? Give your answer in litres.
2 m

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Lucy had 21 ℓ of pear juice. She used 15 of the pear juice for a picnic and 27 of the remaining pear juice to bake pear-flavoured scones. How much pear juice did she have left? Give your answer in litres.