Tim can complete 30 questions per hour how many questions can he complete in 1/3 of an hour

10

Step-by-step explanation:

1/3 of an hour is 20, and 1/3 of 30 questions is 10, so 10 questions completed per 20 minutes.

a

step-by-step explanation:

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.