Respuesta :

5 : 25  →  (÷5)  → 1 : 5

Answer : 1 : 5
Divide both terms by 5:
5 ÷ 5 = 1
25 ÷ 5 = 5

Reducing to simplest form:
5 : 25 = 1 : 5 I'm sorry if I'm wrong but I hope that I'm right