Question
A container containing some water and 7 identical stones has a mass of 2 kg 280 g. When the 7 stones were taken out, the mass of the container of water became 516 g. Find the mass of each stone. (Give the answer in g)
4 m

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A container containing some water and 7 identical stones has a mass of 2 kg 280 g. When the 7 stones were taken out, the mass of the container of water became 516 g. Find the mass of each stone. (Give the answer in g)