Question:
The usual price of a coffee machine sold in store A was $144. This was 96% of the usual price of an identical coffee machine sold in Store B. Both stores have the same percentage discount on a coffee machine during a sale. During the sale, the coffee machine in Store B costs $112.50 after the discount.
(a) What was the usual price of the coffee machine in Store B?
(b) What was the discount given for the coffee machine in Store A during the sale?
Solution:
![P6 / Henry Park / 2020 / SA2 Prelims / Paper 2 – Q01 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/09/P6_Henry_Park_2020_SA2_Paper2_Q01-Qns.jpg?resize=400%2C256&ssl=1)
![P6 / SCGS / 2020 / SA2 Prelims / Paper 2 – Q03 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/12/P6_SCGS_2020_SA2_Paper2_Q03-Qns.jpg?resize=400%2C260&ssl=1)