Michael F. answered 08/24/22
Tutoring Physics & Math from High School through College
Speed = Distance / Time
If we re-arrange this to solve for time, we get:
Time = Distance / Speed
So we divide the distance (3.5 km) by the speed (25 km/h) to get the time:
Time = (3.5 km) / (25 km/h) = 0.14 hour = 8.4 minutes