A car is driving at an average speed of 100km/hr for 2 hours, then drives an average of 50.0km/hr for one hour. what was the average speed of the 3 hours?
100.0km/h
100.0km/h
+50.0km/h
=250.0km/3h
250.0km/3h divided by 3h =83.3km/h
1 answer
I agree.