Question
Ivory had 2160 mℓ more juice than Nora. After Ivory gave Nora 540 mℓ of juice, the ratio of Ivory's juice to Nora's juice became 7 : 3. How much juice did Ivory have at first? Give your answer in millilitres.
4 m

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Ivory had 2160 mℓ more juice than Nora. After Ivory gave Nora 540 mℓ of juice, the ratio of Ivory's juice to Nora's juice became 7 : 3. How much juice did Ivory have at first? Give your answer in millilitres.