A marathon runner covers half of the 24 kilometers at a speed of 18 km/hr then runner increases speed by 6 km/hr to complete the marathon. What is his average speed of
marathon?
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Answered by
1
Answer:
The marathon is a long-distance race with an official distance of 42.195 kilometres[1] (approximately 26 miles 385 yards), usually run as a road race. The event was instituted in commemoration of the fabled run of the Greek soldier Pheidippides, a messenger from the Battle of Marathon to Athens, who reported the victory. The marathon can be completed by running or with a run/walk strategy. There are also wheelchair divisison
Answered by
0
Answer:
10 hours
Step-by-step explanation:
given,
total distance = 142 km
average speed = 14 km/hr
therefore time taken,
average speed = total distance / total time
14 = 142 / t.time
14 t = 142
t.time = 142 / 14
t.time = 10.1 hr
therefore time taken = 10 hours...
I hope that this will help u
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