Question:
Lamp posts were installed along a new stretch of straight road. There was a distance of 25 m between every two lamp posts. Each lamp post cost $55. How much did it cost to install all the lamp posts on a stretch of road measuring 3.2 km?
Solution:
![P6 / Maris Stella / 2020 / SA2 Prelims / Paper 1 – Q17 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/12/P6_SA2_2020_Maris_Stella_Paper1_Q17-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Temasek / 2020 / SA2 Prelims / Paper 2 – Q02 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/09/P6_Temasek_2020_SA2_Paper2_Q02-Qns.jpg?resize=400%2C260&ssl=1)