Question

It takes Serina 0.25 hours to drive to school. Her route is 16 km long. What is Serina’s average speed on her drive to school?

Answer 1

Explanation:

if Serina needs t=0.25 hours to drive to school, which is s=16 km away

her speed is

v= s/t t=0.25h

v=16 km/15 min or v= 64 km/h ( multiply by 4 to get 1 hour)

Answer 2

D/T - 16 KM/ 0.25hours = 64 KM/H

Explanation: