Formula for speed of light is:
[tex]c= \frac{d}{t} [/tex]
Where:
c=speed of light = 300000 km/s
d=distance
t =time
Rearranging formula for t and calculating:
[tex]t= \frac{d}{c} \\ \\ t= \frac{1.486*10^{9} }{300000} \\ \\ t=4953.33s \\ \\ t=82.56min[/tex]
