Question
PSLE
The mass of a box with 65 identical balls is 726 g. When 26 of the balls are sold, the mass of the box with the remaining balls is 336 g. What is the mass of each ball?
2 m

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PSLE
The mass of a box with 65 identical balls is 726 g. When 26 of the balls are sold, the mass of the box with the remaining balls is 336 g. What is the mass of each ball?