Question
PSLE
The mass of a container with 41 identical balls is 860 g. When 26 of the balls are sold, the mass of the container with the remaining balls is 470 g. What is the mass of each ball?
2 m

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PSLE
The mass of a container with 41 identical balls is 860 g. When 26 of the balls are sold, the mass of the container with the remaining balls is 470 g. What is the mass of each ball?