Question

A quantos graus Celsius correspondem 140° F?​

Answer 1

OC/5 = 140-32/9

9OC=700-160

9OC=540

OC=540/9

0C=60°C

Answer 2

°C/5 = °F - 32/9

$\frac{c}{5} = \frac{140 - 32}{9 } \\ \frac{c}{5} = \frac{108}{9} \\ 9c = 540 \\ c = \frac{540}{9} \\ c = 60$

60°C