Question:
The table below shows the price of pencils and erasers sold at a bookshop.
(a) Azhar bought 3 pencils and 1 eraser. How much did he spend? Give your answer in terms of b.
(b) Raman paid $5.50 for 8 pencils and a number of erasers. If b = 35, how many erasers did he buy?
Solution:
![P6 / Nan Hua / 2020 / SA2 Prelims / Paper 1 – Q23 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/02/P6_SA2_2020_Nan_Hua_Paper1_Q23-Qns.jpg?resize=400%2C260&ssl=1)