a man Walks from home to a town at 6 kilometre away at 4km per hour and return again to his home at 12 kilometre per hour using a tonga what is the man's average speed for The Double journey
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Answer: 1 hour
Time taken in the first trip is 1 hr 30 mins
Te taken for the second trip is 30 mins
Average of 30 mins and 1hr 30mins is 1 hour
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