a journey of 276km began at 1040 hrs and ended on the same day at 1430 hrs. Find the average speed in km/hr
The problem states the km : 276
The problem gives you the length of time: 10:40 to 14:30 hrs = 3 hours 50 minutes = 3 50/60 = 3.8333 hours
Speed = rate / time = km/hr ...... substitute in the values above and what do you get?
276/3.8333 = ???
= 72.0 km/hr sometimes written as 72 Kilometers Per Hour or 72 KPH