Answer:
84.62 km/h
Step-by-step explanation:
You took 6.5 hours to drive 550 km.
We will find your average speed.
Speed = [tex]\frac{Distance}{Time}[/tex]
= [tex]\frac{550}{6.5}[/tex]
= 84.615 ≈ 84.62 km per hour
Your average speed was 84.62 km per hour.