Question:
A pen costs $k. A notebook costs 70 cents more than the pen.
(a) What is the cost of 3 pens and a notebook?
Express your answer in terms of k in the simplest form.
(b) Aaron paid $10.30 for 3 pens and a notebook. What is the value of k?
Solution:
![P6 / Tao Nan / 2019 / SA1 / Paper 2 – Q14 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_Tao_Nan_2019_SA1_Paper2_Q14-Qns.jpg?resize=400%2C202&ssl=1)
![P6 / Raffles Girls / 2020 / SA2 Prelims / Paper 2 – Q11 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Raffles_Girls_2020_SA2_Paper2_Q11-Qns.jpg?resize=400%2C260&ssl=1)