Question

explain it step by step

Answer 1

Hey buddy.. here is your ans..
It's say that there is two unit of a physical quantity of temperature i. e., "F" and "C"
Now.,
it's gave a relationship between F and C
C = 5/9 (F - 32)
Now you draw a grap of X-Y plane. taking F on y-axis and C on x-ray axis...

and on -40 both the value will be same..