Question:
A van left Town A for Town B travelling at an average speed of 92 km/h for the first 30 minutes of the journey. Then the van drove another 32 km at an average speed of 80 km/h before reaching Town B. What was the average speed of the van for the whole journey?
Solution:
![P6 / Red Swastika / 2020 / SA2 Prelims / Paper 2 – Q11 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Red_Swastika_2020_SA2_Paper2_Q11-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Tao Nan / 2020 / SA2 Prelims / Paper 2 – Q06 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/12/P6_Tao_Nan_2020_SA2_Paper2_Q06-Qns.jpg?resize=400%2C260&ssl=1)