A car , running at 45 km/hr takes 6hrs to cover a journey. At what speed must it travel to complete the journey in 5 hrs?With explanation.
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Answer:
54 km/hr
Step-by-step explanation:
Since, the car is moving with a speed of 45 km/hr it takes 6 hrs
therefore, distance = Speed * time
= 45 km/hr * 6 hr
= 270 km
now, the new time = 5 hr
therefore, new speed = distance/time
= 270 km / 5 hr
= 54 km/hr
hence, the new speed is 54 km/hr
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