Question

Mrs. Rayne has a phone tree to contact all of her family in the case of an emergency. She

Answer 1

Answer:

In the third round, total family members contacted is 8.

Step-by-step explanation:

Let us assume that Mrs Rayne contacts two members in her family say A and B

or, Total new members contacted in First Round =  A and B  (2 members)

Now, in second Round, A contacts two members say H and G

and B contacts L and M

So, Total new members contacted in second round = H, G ,L and M   (4)

Now, in third round each of the members H, G , L and M contact two people each say

H contacts W, X

G contacts Y, Z

L contacts P, Q

and M contacts R and S

So, Total new members contacted in second round = W, X, Y, Z , P, Q R and S

Hence, in the third round, total family members contacted is 8.

Answer 2

Answer:

In the third round, total family members contacted is 8.