a bus travel a distance of 120 km with the speed of 40 km per hour and returns with a speed of 30 km per hour calculate the average speed of entire journey
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1
Answer:
Explanation:
Average speed - D1 + D2 / t1 +t2
120 +120/40+30
240/70 = 3.4 km/h
Answered by
1
Avg speed=d1 + d2/t1+t2
= 120+120/40+30
= 240/70
= 3.4 km per hour
= 120+120/40+30
= 240/70
= 3.4 km per hour
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