Question:
Use the information below to answer Questions 23 and 24.
The graph below shows the number of boxes of masks sold in a pharmacy over 5 months.
What was the difference in the number of boxes of masks sold between the month with the highest sale and the month with the lowest sale?
Solution:
![P6 / ACS / 2020 / SA2 Prelims / Paper 1 – Q26 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/05/P6_SA2_2020_ACS_Paper1_Q26-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Catholic High / 2019 / SA2 / Paper 2 – Q11 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/06/P6_Catholic_High_2019_Prelims_Paper2_Q11-Qns.jpg?resize=400%2C260&ssl=1)