Question
Jade had 1920 mℓ more tea than Gem. After Jade gave Gem 540 mℓ of tea, the ratio of Jade's tea to Gem's tea became 7 : 3. How much tea did Jade have at first? Give your answer in millilitres.
4 m

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Jade had 1920 mℓ more tea than Gem. After Jade gave Gem 540 mℓ of tea, the ratio of Jade's tea to Gem's tea became 7 : 3. How much tea did Jade have at first? Give your answer in millilitres.