Mathematics, 01.12.2020 17:20 kaffolter25
a girl walks 12 km at the speed of 3km/hr. what change should she make in her speed to take (1) an hour less and (2) an hour more to cover the distance
Answers: 1
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a girl walks 12 km at the speed of 3km/hr. what change should she make in her speed to take (1) an h...
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