Respuesta :

Answer:

The answer is D

Step-by-step explanation:

Simplify the first inequality subtract 5 from 20

5t≤ −15

then divide

t ≤ -3

Simplify second ineqality

4t ≥ 20

divide

t ≥ 5

final answer :

t ≤ −3 or t ≥ 5