Question
PSLE
The mass of a box with 60 identical marbles is 724 g. When 26 of the marbles are sold, the mass of the box with the remaining marbles is 464 g. What is the mass of each marble?
2 m

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PSLE
The mass of a box with 60 identical marbles is 724 g. When 26 of the marbles are sold, the mass of the box with the remaining marbles is 464 g. What is the mass of each marble?