Respuesta :

Answer:

t ≥ 2

Step-by-step explanation:

3t + 9 ≥ 15

3t ≥ 6

t ≥ 2

I hope this helped!

3t + 9 ≥ 15

subtract 9 from both sides

3t ≥ 6

divide by 3 from both sides

t ≥ 2