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?
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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?
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Verified answer
Answer:
63km/hr
Step-by-step explanation:
54km/hr takes 7 hr journey
54×7=378 km
we need 6 hrs journey
378/6=63
63 km/hr
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