﻿ Usha participated in a marathan walk and completes the journey in 10 hours. if she travels half the distance with a speed of 10 km/hr
, 18.10.2019 10:00, shad007

# Usha participated in a marathan walk and completes the journey in 10 hours. if she travels half the distance with a speed of 10 km/hr and remaining half distance with a speed of 15 km/hr. then calculate the total distance of the marathan walk.

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Usha participated in a marathan walk and completes the journey in 10 hours. if she travels half the...

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