Question:
The graph shows the number of mobile phones sold in a shop from June to October. The bars for the months of September and October have not been drawn.
The average number of mobile phones sold from June to October was 160. Find the largest possible number of mobile phones sold in October given that the number of mobile phones sold each month is a 3-digit number.
Solution:
![P6 / Nanyang / 2019 / CA1 / Paper 2 – Q03 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/04/P6_CA1_2019_Nanyang_Paper2_Q03-Qns.jpg?resize=400%2C205&ssl=1)