Calculate the average speed from a distance traveled in kilometres and the time it took to complete the trip.
speed = distance/time
distance travelled = 344.4 kilometres travel time = 3 hours and 24 minutes
Step one: change the 24 minutes into an hourly value.
24 ÷ 60 = 0.4 3 + 0.4 = 3.4 hours
Time of trip in hours = 4 + 0.57 = 4.57 hrs.
Step two: divide the distance travelled by the amount of time
344.4 ÷ 3.4= 101.29
The average speed 101.29 kilometres per hour.
one hour = 60 minutes one minute = 0.01666666666666666666666666666667 hours one kilometre (km) = 0.621371192237334 miles (mi)