Question
PSLE
The mass of a container with 43 identical balls is 922 g. When 23 of the balls are set aside, the mass of the container with the remaining balls is 531 g. What is the mass of each ball?
2 m

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PSLE
The mass of a container with 43 identical balls is 922 g. When 23 of the balls are set aside, the mass of the container with the remaining balls is 531 g. What is the mass of each ball?