Atrain travels 97 kilometers in 2 hours, and then 96 kilometers in 2 hours. what is its average speed?
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Ответ:
Explanation:
1) Average speed = total distance / total time
2) Total distance = 97 km + 96 km = 193 km
3) Total time = 2 h + 2 h = 4 h
⇒ Average speed = 193 km / 4 h = 48.25 km/h
Ответ: