Question

1.- (picture) 2.-Assuming that the global population is seven billion and that no person receives the letter more than once, the maximum number of mailings is fourteen. Suppose that you are one of the recipients of mailing number 8 and there are ten names on the list (so your five outgoing letters will be in mailing number 9 and there will be nine names above yours on the list). If everyone who receives the letter participates, how much money will you receive?$

Answer 1

Kindly check below

Question 1) We can see that in the column "number of recipients" there is a Geometric Sequence whose common ratio is 5.

2) Therefore, we can fill in those gaps with the following:

3) Thus is the table.