Respuesta :

Answer:

b = 27.5

Step-by-step explanation:

b + 2.5 = 30

=> b = 30 - 2.5

=> b = 27.5

Answer:

b = 27.5

Step-by-step explanation:

=> b + 2.5 = 30

=> b = 30 - 2.5

=> b = 27.5

Hope it helps ツ