A boy runs a 15 km Marathan Race at a speed of 20 m/s. How much time will he take in completing the race?
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Answer:
Step-by-step explanation:
15 km = 15000 m
15000 m → x sec
20 m → 1 sec
Therefore
15000/20 = x
x = 750 sec
750/60 sec → 12.5 mins
Therefore the boy will take 12.5 mins to run the marathon.
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Answer:
Step-by-step explanation:
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