Question
PSLE
The mass of a box with 48 identical balls is 735 g. When 25 of the balls are used, the mass of the box with the remaining balls is 435 g. What is the mass of each ball?
2 m

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PSLE
The mass of a box with 48 identical balls is 735 g. When 25 of the balls are used, the mass of the box with the remaining balls is 435 g. What is the mass of each ball?