Answer:
15 and 20
Explanation:
Hey There!
So all we have to do for this problem is plug in the "solutions" to see if it makes the expression 5 < y - 8 true
So first lets plug in 8 
8-8=0 so 
5 < 0 
so 8 is not a solution 
Now lets try 9 
9-8=1
5 < 1 so 9 is not a solution 
Now lets try 13 
13-8=5
5 < 5
this is not true so 13 is not a solution 
Now lets try 15
15-8=7 
5 < 7 this is true so 15 is a solution 
Now lets try 20
20-8=12
5 < 12 
this is also true so it is also a solution 
So we can conclude that 15 and  20 are solutions to the inequality