Question:
Mrs Teo paid $122.40, after 15% discount, for petrol purchase at a petrol station. Petrol price before discount was $2.25 per litre.
(a) How many litres of petrol did Mrs Teo purchase?
(b) Mrs Teo’s car can travel 15.8 km with every litre of petrol. With the amount of petrol that she had purchased, what is the maximum distance that her car can travel?
Solution:
![P6 / Nan Hua / 2020 / SA2 Prelims / Paper 1 – Q10 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/02/P6_SA2_2020_Nan_Hua_Paper1_Q10-Qns.jpg?resize=400%2C260&ssl=1)