A girl walks 12 km at the speed of 3 k/h. What change should she make in her speed to take 1. an hour less and 2. an hour more to cover the distance ? please ans my question l will mark you as brainlist please
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Step-by-step explanation:
one more hour to reach the distance. Therefore, new time will be 5 h. Therefore, she will reduce her speed from 3km/h to 2.4 km/h.
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I) 3-1=2km/h ii) 3+2=5km/h (Ans) mark me as the brainliest
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