Q: The speed difference between two automobiles is 5:8. Determine the speed of the second automobile if the first car travels 200 km in 2 hours.
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A
64 km/hr
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B
67 km/hr
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C
70 km/hr
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D
74 km/hr
A
Answer:
A
Explanation:
The average speed of a vehicle is calculated by dividing the total distance traveled by the total time taken.
In this case, the total distance traveled is 80 km, and the total time taken is 75 minutes, or 75/60 hours. The average speed is then 80 / (75/60) = 64 km/hr.
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