Respuesta :

Given:-

  • Distance (s) = 120 miles
  • Initial time = 6:00 p.m.
  • Final time = 9:00 p.m.

Thus, time taken = 3 hours

(9:00 p.m. - 6:00 p.m.)

Now, finding speed of the car:-

We know,

v = s/t

where,

  • s = Distance,
  • v = Speed &
  • t = Time taken.

Thus,

v = (120 miles)/(3 hours)

→ v = 40 miles per hour (Ans.)