Distance (s) = Velocity (v) x time (t)
if v = 8 kmh, t=5hr
s= 40 km covered each day
total distance = 4108.72km
4108.72/40 = 102.7
Hence it would take Davis 103 day to run from San Francisco to Albany.
There is a 37.5 percent change between 80 and 50.
~Deceptiøn
About 102.5625... I think