Question
PSLE
The mass of a box with 55 identical marbles is 935 g. When 29 of the marbles are used, the mass of the box with the remaining marbles is 413 g. What is the mass of each marble?
2 m

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PSLE
The mass of a box with 55 identical marbles is 935 g. When 29 of the marbles are used, the mass of the box with the remaining marbles is 413 g. What is the mass of each marble?