A car travels a distance from a to b at a speed of 60 km/h and returns to a at a speed of 30 km/h what is the average speed of the whole journey.
Answers
Answered by
1
Answer:
A person travels 1/3 part of his journey at 20 km/h and remaining distance at 30 km/h.
Answered by
0
Answer:
45km/h
Explanation:
total distance÷total time
60+30÷1+1
90÷2
45
Similar questions