A person takes a trip driving with a constant speed of 99.5$99\mathrm{.}5$Km/$/$h.$.$ Except for a 28.0$28\mathrm{.}0$min rest stop. The persons average speed is 62.8$62\mathrm{.}8$Km/$/$h.$.$

a)$)$ how much time is spent on the trip?

b)$)$ How far does the person travel?