Question

Passe para a escala celtas cada uma das temperaturas Fahrenheit 50 graus f

Answer 1

Basta fazer o seguinte :

$\dfrac{TC}{5} =\dfrac{TF - 32}{9} \\\\\\ \dfrac{TC}{5} =\dfrac{50 - 32}{9} \\\\\\ \dfrac{TC}{5} =\dfrac{18}{9} \\\\\\ 9TC = 18\cdot5 \\\\\\ 9TC = 90 \\\\\\ TC =\dfrac{90}{9} \\\\\\ TC = 10$

Resposta ;

10 Celsius.