Question

Na escala termoelétrica x,ao nível do mar...​

Answer 1

x-(-30)/120-(-30) = c-0/100-0

x+30/150 = c/100 ===> *(50)

x+30/3 = c/2 ===> x=0°X

0+30/3 = c/2

10 = c/2

c = 20 °C ✓