Question

I don’t quite seem to understand can you guys explain ?

Answer 1

The answer is D

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