Question:
Mr Ng had a total of 208 apples and pears at first. The ratio of the number of apples to the number of pears was 8 : 5 at first. After he bought some apples, the ratio of the number of apples to the number of pears then became 7 : 4. How many apples did he buy?
Solution:
![P6 / Maris Stella / 2020 / SA2 Prelims / Paper 1 – Q11 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/12/P6_SA2_2020_Maris_Stella_Paper1_Q11-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Temasek / 2020 / SA2 Prelims / Paper 2 – Q11 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/09/P6_Temasek_2020_SA2_Paper2_Q11-Qns.jpg?resize=400%2C260&ssl=1)