Question
Zara had 1790 mℓ more orange juice than Tiffany. After Zara gave Tiffany 580 mℓ of orange juice, the ratio of Zara's orange juice to Tiffany's orange juice became 7 : 4. How much orange juice did Zara have at first? Give your answer in millilitres.
4 m

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Zara had 1790 mℓ more orange juice than Tiffany. After Zara gave Tiffany 580 mℓ of orange juice, the ratio of Zara's orange juice to Tiffany's orange juice became 7 : 4. How much orange juice did Zara have at first? Give your answer in millilitres.