Level 2 PSLE
The mass of a box with 50 identical glass marbles is 750 g. When 20 of the marbles are removed, the mass of the box with the remaining marbles is 510 g. What is the mass of each glass marble?
2 m
Level 3
Violet has 6 times as many tarts as Anna. The total number of Violet's and Anna's tarts is 8 times of Wendy's. Violet and Anna have 294 tarts more than Wendy's. How many more tarts does Violet have than Anna?
3 m