Question
PSLE
The mass of a box with 50 identical balls is 780 g. When 24 of the balls are removed, the mass of the box with the remaining balls is 516 g. What is the mass of each ball?
2 m

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PSLE
The mass of a box with 50 identical balls is 780 g. When 24 of the balls are removed, the mass of the box with the remaining balls is 516 g. What is the mass of each ball?