The car drove 70 km in an hour, 150 km in the next 3 hours. What is the average speed?
| December 20, 2020 | education
1) 70 + 150 = 220 (km) – total distance
2) 1 + 3 = 4 (h) – total time
3) 220: 4 = 55 (km / h) – average speed
or you can write more simply
(70 + 150): (1 + 3) = 55 (km / h)
Answer: the average vehicle speed is 55 km / h
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