Question
PSLE
The mass of a container with 63 identical marbles is 740 g. When 22 of the marbles are taken out, the mass of the container with the remaining marbles is 520 g. What is the mass of each marble?
2 m

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PSLE
The mass of a container with 63 identical marbles is 740 g. When 22 of the marbles are taken out, the mass of the container with the remaining marbles is 520 g. What is the mass of each marble?