Question:
Pete and Dave started driving at the same time from the same place but in opposite directions along a straight road. After 3h, there were 510.3 km apart. Pete’s average speed was 11.2 km/h faster than Dave’s average speed. What was Dave’s average speed?
Solution:
![P6 / Nan Hua / 2020 / SA2 Prelims / Paper 1 – Q08 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/02/P6_SA2_2020_Nan_Hua_Paper1_Q08-Qns.jpg?resize=400%2C260&ssl=1)