Question

tk=323ºk, tf=? e tc=?

Answer 1

tk=tc+273
323=tc+273
tc=323-273
tc=50

tc/5=f-32/9
50/5=f-32/9
10=f-32/9
f-32=90
f=122

Answer 2

Bem vamos lá:
K=C+273
323=C+273
C=50°

C/5=(F-32)/9
50.9=5.(F-32)
450=5F-160
610=5F
F=122