Question
Emily had 2210 mℓ more orange juice than Nora. After Emily gave Nora 550 mℓ of orange juice, the ratio of Emily's orange juice to Nora's orange juice became 7 : 4. How much orange juice did Emily have at first? Give your answer in millilitres.
4 m

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Emily had 2210 mℓ more orange juice than Nora. After Emily gave Nora 550 mℓ of orange juice, the ratio of Emily's orange juice to Nora's orange juice became 7 : 4. How much orange juice did Emily have at first? Give your answer in millilitres.