Question
PSLE
The mass of a box with 45 identical marbles is 748 g. When 11 of the marbles are thrown away, the mass of the box with the remaining marbles is 550 g. What is the mass of each marble?
2 m

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PSLE
The mass of a box with 45 identical marbles is 748 g. When 11 of the marbles are thrown away, the mass of the box with the remaining marbles is 550 g. What is the mass of each marble?