In a 6-hour festival of short films, the number of films, f, that can be presented so each film will have at least 2/3 of an hour to be shown an be expressed as 6/f ≥ 2/3. What is the solution of this inequality?
9 ≥ f
9 > f
4 > f
4 ≤ f
9 ≥ f
9 > f
4 > f
4 ≤ f