A box contains 60 apples. If one-fifth of the apples are rotten, what percent of the apples are rotten? (1 point)
%
One-fifth of 60 apples is (1/5) * 60 = <<(1/5)*60=12>>12 apples.
Therefore, 12 apples is 12/60 * 100% = 20% of the total number of apples. Answer: \boxed{20}.