Question 661492
speed = distance/time
convert time to hour unit only
18 min x 1 hr/60 min = .3 hr
Total trip is 5.3 hr
speed = 134 km/5.3 hr = 25.3 km/hr
If speed as mi/hr
convert 134 km to miles
134 km x 1 mi/1.609344 km = 83.3 mi
83.3 mi / 5.3 hr = 15.7 m/hr