Question

quanto é- 8 C° na escala farenheit

Answer 1

$\frac{tc}{5} = \frac{tf - 32}{9} \\ \frac{ - 8}{5} = \frac{tf - 32}{9} \\ \frac{ - 8 + 32}{5} = \frac{tf}{9} \\ \frac{24}{5} = \frac{tf}{9} \\ \frac{24 \times 9}{5} = tf \\ \frac{216}{5} = tf \\ tf = 43.2$