Question

I drove 60 km at 30 kmph and then an additional 60 km at 50 kmph. compute my average speed over my 120 km.

Answer 1

The average speed of the person is 37.5 km/h

Explanation:

• Time taken to travel first 60 km = distance/speed

                                                     = 60/30 = 2 hr

• Time taken to travel next 60 km = 60/50

                                                      = 1.2 hr

• Average speed = Total distance travelled/ Total time taken

                                   = 120/3.2= 37.5 km/h

Hence the average speed of the person is 37.5 km/h

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