Answer:
Total time = 60/60= 1
AS in 60 minutes 60/3 = 20 minutes
IN 20 minutes net stoppage = 19 minutes
so average speed= 60/ 19/60 +1
= 60/79/60
= 3600/79
= 45.5
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Answer:
Total time = 60/60= 1
AS in 60 minutes 60/3 = 20 minutes
IN 20 minutes net stoppage = 19 minutes
so average speed= 60/ 19/60 +1
= 60/79/60
= 3600/79
= 45.5