10. A car, running at 54 km/hr, takes 7 hours to cover a journey. At what speed must it travel in orderto complete the journey in 6 hours?(PLZZ give solution)
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10. A car, running at 54 km/hr, takes 7 hours to cover a journey. At what speed must it travel in orderto complete the journey in 6 hours?(PLZZ give solution)
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Given speed=54km/h
Given time=7h
Thus distance covered=speed×time
=>54×7
=>378km
Now,time=6h
Distance=378km
Thus,speed=distance/time
=>378/6
=>63km/h
Thus,it must travel at a speed of 63km/h to complete the journey in 6 hours.
Answer:
63km
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