How did you get the answer 4elm leaves and20oak leaves and oak8 maple leaves

Answer 1

Please help me solve this 12-8t-5>or equal too -9t-3

Answer 2

12 - 8t - 5 >= -9t - 3
I suspect a typo, but moving right along,

7 - 8t >= -9t - 3
t >= -10