Answer: Inequality 1 is incorrect; it should be g ≥ 80.
The correct inequalities should be:
Inequality 1: g ≥ 80 (since Kyle's grandmother is not more than 80 years old)
Inequality 2: g ≤ 3k - 3 (since Kyle's grandmother's age is at most 3 years less than 3 times his own age)