Respuesta :

Answer:

5 to 15 and 10 to 30

Step-by-step explanation:

Only 5 to 15 and 10 to 30 are equivalent:

[tex] \frac{5}{15} = \frac{1}{3} \\ \\ \frac{10}{30} = \frac{1}{3} \\ \\ [/tex]