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 / Ai Tong / 2019 / SA2 / Paper 2 – Q16 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/06/P6_Ai_Tong_2019_Prelims_Paper2_Q16-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Maris Stella / 2019 / SA1 / Paper 2 – Q17 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/04/P6_MarisStella_2019_SA1_Paper2_Q17-Qns.jpg?resize=400%2C189&ssl=1)