Question
PSLE
The mass of a box with 41 identical balls is 998 g. When 27 of the balls are taken out, the mass of the box with the remaining balls is 458 g. What is the mass of each ball?
2 m

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PSLE
The mass of a box with 41 identical balls is 998 g. When 27 of the balls are taken out, the mass of the box with the remaining balls is 458 g. What is the mass of each ball?