Koto traveled 5,000 meters north from her house with an average velocity of 4.5 m/s. What was the time of her trip? (There are 60 seconds in 1 minute.)

Use time = distance ÷ average velocity: 5,000 m ÷ 4.5 m/s ≈ 1,111 seconds. Convert seconds to minutes by dividing by 60: 1,111 ÷ 60 ≈ 18.5 minutes. So the trip took 18.5 minutes, choice A.

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