Question
PSLE
The mass of a container with 56 identical marbles is 804 g. When 21 of the marbles are used, the mass of the container with the remaining marbles is 447 g. What is the mass of each marble?
2 m

Click button first when a symbol is required. X

PSLE
The mass of a container with 56 identical marbles is 804 g. When 21 of the marbles are used, the mass of the container with the remaining marbles is 447 g. What is the mass of each marble?