Question
PSLE
The mass of a box with 59 identical balls is 764 g. When 16 of the balls are used, the mass of the box with the remaining balls is 476 g. What is the mass of each ball?
2 m

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PSLE
The mass of a box with 59 identical balls is 764 g. When 16 of the balls are used, the mass of the box with the remaining balls is 476 g. What is the mass of each ball?