Question

passar 40 graus celcius para farenheiy

Answer 1

Tc / 5 = (Tf - 32) / 9 
40 / 5 = (Tf - 32) / 9 
8 = (Tf - 32) / 9 
Tf - 32 = 72 
Tf = 72 + 32 
Tf = 104°F