Abus travels a distance of
100km with a speed of 20km/h
and returns with a speed of
50km/h. Calculate average
speed for complete journey
O 0.2km/h
O 1.4km/h
O 23km/h
O 3km/h
Answers
Answered by
0
Answer:
28.57 km/h
Explanation:
(2xy)÷(x+y)
=(2×20×50)÷(20+50)
=2000÷70
=200/7
=28.5714286
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