Question
PSLE
The mass of a box with 63 identical marbles is 722 g. When 27 of the marbles are removed, the mass of the box with the remaining marbles is 479 g. What is the mass of each marble?
2 m

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PSLE
The mass of a box with 63 identical marbles is 722 g. When 27 of the marbles are removed, the mass of the box with the remaining marbles is 479 g. What is the mass of each marble?