Answer:
The interger is up to 27
Explanation:
let X represent the number of people.
For fewer than 28 people, we have;
(X ∠28)
Meaning,
(X ∠28) = (X ≤27)
(X = 1) + (X = 2) + (X = 3) ............+ (X = 27)
1 +1 + 1 +...............(27 times)
Therefore, the interger is up to 27