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A train travels 84 kilometers in 1 hours, and then 85 kilometers in 3 hours. What is its average speed?
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5 votes
A train travels 84 kilometers in 1 hours, and then 85 kilometers in 3 hours. What is its average speed?

User Debendra Dash
by
7.6k points

2 Answers

5 votes
The average speed is 42.25 kilometers per hour.
User Eero Aaltonen
by
7.9k points
4 votes
You could find average speed by doing this calculation:

Total distance / Total time needed.

So, the average speed would be :

(84 kilometers + 85 kilometers) / (1 hours + 3 hours)

= 169 kilometers/4 hours

= 42.25 kilometers/hour
User MoeAmine
by
8.0k points
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