Question
PSLE
The mass of a container with 49 identical balls is 707 g. When 22 of the balls are sold, the mass of the container with the remaining balls is 355 g. What is the mass of each ball?
2 m

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PSLE
The mass of a container with 49 identical balls is 707 g. When 22 of the balls are sold, the mass of the container with the remaining balls is 355 g. What is the mass of each ball?