Question

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
Ms. Sue
I agree.

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