Question:
At its year-end sale, a company sold calendars and diaries at the prices shown.
An equal number of calendars and diaries were sold. The company collected a total of $29 815 from the sale of calendars and diaries. How many calendars and diaries did the company sell in all?
Solution:
![P6 / Nanyang / 2019 / CA1 / Paper 1 – Q11 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/04/P6_CA1_2019_Nanyang_Paper1_Q11-Qns.jpg?resize=400%2C260&ssl=1)