A man walks 6km at 12 km/h and returns at 10 km/h find his average spaad
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Answer:
Average Speed = Total Distance / Total Time
Total distance is apparently 2 km
Time = Distance/Speed
Time-1 = 1 km / 6km/h = 1/6 hr
Time-2 = 1 km / 8km/h = 1/8 hr
Total Time = 1/6 + 1/8 = 14/48 = 7/24 hr
Average Speed = 2 km / (7/24hr) = 6.857 km
Step-by-step explanation:
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