Question

É muito urgente,me ajudem por favor.​

Answer 1

$\frac{tk-273}{5}=\frac{tf-32}{9}$

$\frac{280-273}{5}=\frac{tf-32}{9}$

$\frac{7}{5}=\frac{tf-32}{9}$

$1,4=\frac{tf-32}{9}$

$1,4 * 9=tf-32$

$12,6=tf-32$

$12,6 + 32 = tf$

$tf = 44,6$ °F