In 200920092009, Usain Bolt set the world record for sprinting 100 \text{ m}100 m100, start text, space, m, end text in approximately 9\dfrac359 5 3 9, start fraction, 3, divided by, 5, end fraction seconds

Average speed = 10.41 m/s

Step-by-step explanation:

It is given that, in 2009, Usain Bolt set the world record for sprinting 100 m on 9 3/5 seconds.

It can be assumed to find her average speed. Speed is equal to total distance covered divided by total time taken.

So, the average speed of Usain Bolt is 10.41 m/s.

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step-by-step explanation:

the word superfluous means unnecessary

5x+10 is the correct one

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