Question
There was some peach juice in a jug at first. When 970 mℓ of peach juice was poured into it, 290 mℓ of peach juice flowed out of the jug. If the capacity of the jug was 730 mℓ, how much peach juice was in the jug at first?
2 m

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There was some peach juice in a jug at first. When 970 mℓ of peach juice was poured into it, 290 mℓ of peach juice flowed out of the jug. If the capacity of the jug was 730 mℓ, how much peach juice was in the jug at first?