Answer :
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
Lap speed = 180 km/h
Each lap is about 4.5 km
So, number of laps it will complete in 1.5 hour :
- [tex] \dfrac{180}{4.5} \times 1.5[/tex]
- [tex] \dfrac{180}{3} [/tex]
- [tex]60 \: \: laps[/tex]