When is the Centigrade temperature third the Fahrenheit temperature?
When the Fahrenheit temperature is???
F = 32 + 1.8 C
if C = F/3
then
F = 32 + 1.8(F/3)
3 F = 96 + 1.8 F
1.2 F = 96
F = 80
check
80 = 32 + 1.8 C
C = 26 2/3
is 26 2/3 * 3 = 80 ?
yes