Question:
A company offered a total of 120 printers at a 25% discount over a 6-day sale. The line graph below shows the number of printers left unsold at the end of each day.
During the sale, the discounted price of each printer was $150. After the 6-day sale, the remaining printers were sold without any discount. What was the total amount of money collected from selling all the 120 printers?
Solution:
![P6 / CHIJ / 2018 / SA2 / Paper 2 – Q10 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2019/08/P6_CHIJ_2018_Prelims_Paper2_Q10.jpg?resize=400%2C260&ssl=1)