Relax

Respuesta :

2.7 ≤ b+ 5
=> 2.7 - 5 
≤ b
=> -2.3 
≤ b

The answer is option 2.
the answer is
2.7 ≤ b + 5  implies 2.7 - 5 ≤ b  , –2.3  ≤ b  
so the answer is b ≥ –2.3