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What is the speed of a runner that runs 400m in 48.42 seconds?
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What is the speed of a runner that runs 400m in 48.42 seconds?

User Firoso
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1 Answer

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Answer:

The speed is that it would take 121.05 seconds to run a kilometer.

Step-by-step explanation:

Since there are 1000 meters in a kilometer, divide 400 meters by 4, and 48.42 by 4. Then you get 100 meters equals 12.105 seconds. Multiply that by ten, and you get 121.05 seconds

User Tufan Chand
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