Exactly one of the numbers 2, 3, 5 and 7 is placed in each of the four empty reigions formed by circles. A, B, and C so that the sum of the numbers in each circle is the same. each number is used. what is the sum of the numbers in each circle?

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.

step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!

i think the answer would be c