a bus travels a distance of 120km//hr with a speed of 40km/hr and returns with a speed of 30km/hr. calulate the average speed for the entire journey
Answers
Answered by
2
Average Speed = Total distance travelled
-------------------------------
Total time taken
= 120 + 120
--------------------------
(120/40) + (120/30)
= 240
--------------
3 + 4
= 240 / 7
= 34.2 KMPH
-------------------------------
Total time taken
= 120 + 120
--------------------------
(120/40) + (120/30)
= 240
--------------
3 + 4
= 240 / 7
= 34.2 KMPH
Answered by
0
70/2 =35km/hr
As 30km/hr+40km/hr = 70km/hr
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