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at a certain speed of car takes 4 hours to complete a journey of 252 km time taken by a car to cover a journey of the speed of the car is decreased by 9 kilometre per hour |
Answer» Given that:-→t=4hr →s=252km Finding speed of the CAR:-→v=s/t →v=252/4 →v=63km/hr →→According to the QUESTION; v-9=v′ 63-9=v′=54km/hr Time TAKEN = s/v →252/54 →4.66hr Hope it helps✌ MARK AS BRAINLIEST. |
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