The first half of the way the car drove at a speed of 60 km / h, the second – at a speed of 90 km / h.
| December 26, 2020 | education
The first half of the way the car drove at a speed of 60 km / h, the second – at a speed of 90 km / h. Find your average speed along the way.
We do not care about the path he traveled here, for convenience we will take 360 km, then he traveled the first half in 3 hours, and the second half
Divide 360 by 5 to get 72
Answer 72
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