Math, asked by kachuzz123, 6 days ago

A swimmer crosses a river of width 400meters in 5 minutes. His speed in kilometre/hour is:

Answers

Answered by 9086333898r

3

Answer:

so distance covered in 1 minute = 400/5 = 80m

if he covers 80m in min. then distance covered in 1 hour = 80×60 = 4800m = 4.8 km

Hence, Speed km per hr. = 4.8km/hr.

Step-by-step explanation:

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