Question:
Valerie had 40% more books than Isabelle. After Valerie bought some books, her number of books increased by 25%. Isabelle gave away 25% of her books. In the end, both the girls had 750 books altogether. How many books did Valerie have at first?
Solution:
![P6 / Nan Hua / 2019 / SA2 / Paper 2 – Q16 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_Nan_Hua_2019_Prelims_Paper2_Q16-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Henry Park / 2021 / SA2 / Paper 2 –
Q09 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/06/P6_SA2_2021_Henry_Park_Paper2_Q09-Qns.jpg?resize=400%2C260&ssl=1)