Question:
A pencil costs y cents and a file costs 40 cents more than a pencil.
(a) What is the cost of 2 identical files and 3 identical pencils in cents? Express your answer in terms of y in the simplest form.
(b) Shernice wants to buy 2 such files and 3 such pencils but is short of 30 cents. If the pencil costs 90 cents, how much money does Shernice have?
Solution:
![P6 / Raffles Girls / 2020 / SA2 Prelims / Paper 2 – Q17 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Raffles_Girls_2020_SA2_Paper2_Q17-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / SCGS / 2020 / SA2 Prelims / Paper 2 – Q08 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/12/P6_SCGS_2020_SA2_Paper2_Q08-Qns.jpg?resize=400%2C260&ssl=1)