mary cycles at 6 kilometre per hour how long will she take to reach her aunt's house which is 12 km away if? she cycles at speed of 4 kilometre per hour how long would it take?
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Step-by-step explanation:
With 6 km/h
Speed = 6 km/h
Distance = 12 km
Time = Distance/ Speed
Time = (12/6) h
Time = 2 hours
With 4 km/h
Time = Distance/Speed
Time = (12/4) h
Time = 3 hours
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