Question
PSLE
The mass of a container with 53 identical balls is 867 g. When 30 of the balls are thrown away, the mass of the container with the remaining balls is 327 g. What is the mass of each ball?
2 m

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PSLE
The mass of a container with 53 identical balls is 867 g. When 30 of the balls are thrown away, the mass of the container with the remaining balls is 327 g. What is the mass of each ball?