Question
PSLE
The mass of a box with 58 identical marbles is 761 g. When 22 of the marbles are used, the mass of the box with the remaining marbles is 431 g. What is the mass of each marble?
2 m

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PSLE
The mass of a box with 58 identical marbles is 761 g. When 22 of the marbles are used, the mass of the box with the remaining marbles is 431 g. What is the mass of each marble?