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 / Catholic High / 2018 / SA1 / Paper 2 – Q14 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/05/P6_SA1_2018_Catholic_High_Paper2_Q14-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / CHIJ / 2018 / SA2 / Paper 2 – Q13 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2019/08/P6_CHIJ_2018_Prelims_Paper2_Q13.jpg?resize=400%2C260&ssl=1)