Respuesta :

Answer:

a) 86

b) 12.22222222... or 110/9

Step-by-step explanation:

F(30) = 1.8(30) + 32 = 86

F(C) = 10

10 = 1.8C + 32

-22 = 1.8 C

C = 12.222222222... or 110/9