Question
The mass of a grapefruit and 3 persimmons is 7 kg 320 g. The mass of the same grapefruit and 2 similar persimmons is 7 kg 140 g. What is the mass of 4 persimmons? Give the answer in g.
4 m

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The mass of a grapefruit and 3 persimmons is 7 kg 320 g. The mass of the same grapefruit and 2 similar persimmons is 7 kg 140 g. What is the mass of 4 persimmons? Give the answer in g.