In 20092009, usain bolt set the world record for sprinting 100 \text{ m}100 m in approximately 9\dfrac359 5 3 ? seconds. find his average speed in meters per second.

meters per second.

Step-by-step explanation:    

We have been given that in 2009, Usain Bolt set the world record for sprinting 100 m in approximately seconds.

To find average speed of Usain Bolt in meters per second we will divide 100 by .

Let us concert in improper fraction.

Since we know that dividing a number by fraction is same as multiplying the number by reciprocal of the fraction.

Therefore, the average speed of Usain Bolt is meters per second.

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.