Ответ:

  1. \(5\% = \frac{5}{100} = \frac{1}{20}\).
  2. \(75\% = \frac{75}{100} = \frac{3}{4}\).
  3. \(25\% = \frac{25}{100} = \frac{1}{4}\).

Ответ: \(5\% = \frac{1}{20}\), \(75\% = \frac{3}{4}\), \(25\% = \frac{1}{4}\).