Sarah has aa collection of marbles. she notices that if she borrows 4 marbles from a friend then she can arrange the marbles in rows of 13 each. what is the remainder when she divides her original number of marbles by 13?

It would be 13-4/13

So, the remainder would be 9

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.