22tbennett 22tbennett

19-12-2018
Mathematics

contestada

A car travels 34 km in 0.5 hr, then 15 km in 0.2 hr. what is the average speed

Respuesta :

mirxam1 mirxam1

26-12-2018

Answer: Average speed = 71.5km/hr

Step-by-step explanation:

1st = 34km in 0.5hr = 34/0.5 = 68 km/hr

2nd = 15km in 0.2hr = 15/0.2 = 75 km/hr

Average speed= 68 + 75/2

= 71.5 km/hr

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