Question:
Tiffany bought some chocolates and sweets. The number of sweets is 3 times the number of chocolates. After giving away 10 sweets and 10 chocolates, the number of sweets is 5 times the number of chocolates. How many chocolates did she buy?
Solution:
![P6 / CHIJ / 2020 / SA2 Prelims / Paper 1 – Q20 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_CHIJ_Paper1_Q20-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Nan Hua / 2020 / SA2 Prelims / Paper 1 – Q28 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/02/P6_SA2_2020_Nan_Hua_Paper1_Q28-Qns.jpg?resize=400%2C260&ssl=1)