Question:
The line graph shows the number of books borrowed from a library from Monday to Friday.
(a) In which 1-day period was there the biggest change in the number of books borrowed?
(b) Which were the two days when the ratio of the number of books borrowed were 3 : 4?
Solution:
![P6 / Catholic High / 2020 / SA2 Prelims / Paper 1 – Q11 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/06/P6_SA2_2020_Catholic_High_Paper1_Q11-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Ai Tong / 2020 / SA2 Prelims / Paper 1 – Q25 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_Ai_Tong_Paper1_Q25-Qns.jpg?resize=400%2C260&ssl=1)