Question

Transforme em graus Fahrenheit -20°c​

Answer 1

Tc = Tf - 32

5 9

- 20 = Tf - 32

5 9

5 . (Tf - 32) = 9 . (- 20)

5Tf - 160 = - 180

5Tf = - 180 + 160

5Tf = - 20

Tf = - 20

5

Tf = - 4°F.