A car travels 20km in first hour, 40km in second hour and 30km in third hour. calculate the average speed of the train?
Answers
Answered by
2
Answer:
30 km per hour
Explanation:
average speed is equal to total distance upon total time which is:
90 km / 3 hours
= 30 km per hour
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Answered by
1
Explanation:
car travel in first hour=20km
car travel in second hour=40km
car travel in third hour =30km
average speed =total distance travelled/time
=20+40+30/3
=90/3
=30 km
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