Question
PSLE
The mass of a box with 65 identical marbles is 836 g. When 25 of the marbles are sold, the mass of the box with the remaining marbles is 411 g. What is the mass of each marble?
2 m

Click button first when a symbol is required. X

PSLE
The mass of a box with 65 identical marbles is 836 g. When 25 of the marbles are sold, the mass of the box with the remaining marbles is 411 g. What is the mass of each marble?