Addition property of equality
Answer:
1/20 or 0.05
Step-by-step explanation:
Assuming that all five posters are different, the number of ways to randomly place those posters is given by:

If we want the largest to be in the center and the next largest to be on its left, two poster will have a set position and only three could be randomized:

Therefore, the probability is:

The probability is 1/20 or 0.05.
Answer:
Attachment!
Step-by-step explanation:
The series of numbers is adding 5 and then subtracting 2
20+5=25
25-2=23
23+5=28
28-2=26
and so on. Do you understand?