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A train travels 97 kilometers in 2 hours, and then 96 kilometers in 2 hours. What is its average speed?
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Mar 21, 2019
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A train travels 97 kilometers in 2 hours, and then 96 kilometers in 2 hours. What is its average speed?
Chemistry
middle-school
Drew Covi
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Answer: 48.25 km/h
Step-by-step 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
Tandy
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Mar 26, 2019
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Tandy
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