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How many seconds will it take for a bus that is traveling at a constant rate of 80 kilometers per hour to travel a distance of 400 meters? (1 kilometers = 1,000 meters)

A. 5
B. 12
C. 18
D. 20
E. 30

Explanation:
80 km in 1 hr or 3600 sec
So 1km= 3600/80 sec
400 meter in = (3600/80)*400/1000 sec
=18sec

Hence C is the correct answer.

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Atul pandey

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Hi,

To solve this question, I first converted the 80kms into meters
80kms=80,000 meters
then, I converted the hour into seconds = 1h= 60min*60sec=3600 seconds

80000/3600= 800/36 = 400meters/18seconds

Answer C)
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