Question
Pamela had 1740 mℓ more tea than Cathy. After Pamela gave Cathy 470 mℓ of tea, the ratio of Pamela's tea to Cathy's tea became 7 : 3. How much tea did Pamela have at first? Give your answer in millilitres.
4 m

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Pamela had 1740 mℓ more tea than Cathy. After Pamela gave Cathy 470 mℓ of tea, the ratio of Pamela's tea to Cathy's tea became 7 : 3. How much tea did Pamela have at first? Give your answer in millilitres.