Question
PSLE
The mass of a box with 46 identical marbles is 823 g. When 18 of the marbles are used, the mass of the box with the remaining marbles is 499 g. What is the mass of each marble?
2 m

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PSLE
The mass of a box with 46 identical marbles is 823 g. When 18 of the marbles are used, the mass of the box with the remaining marbles is 499 g. What is the mass of each marble?