Question
When 910 of a cup is filled with juice, it weighs 910 g. When the cup is half-filled with juice, it weighs 690 g. Find the mass of the empty cup.
4 m

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When 910 of a cup is filled with juice, it weighs 910 g. When the cup is half-filled with juice, it weighs 690 g. Find the mass of the empty cup.