pepe walked 300 meters east from home to visit pedro. he then walked another 300 meters north to fetch mario and both of them walked 300 meters west to watch the birds. he left Mario then walked 300 meters north. which of the following is not true
a.pepe went home
b.pepe has travelled 1,200 m
c. Pepe's total distance is longer than the displacement
d. Pepe's displacement is zero if he travelled 300 m south after leaving Mario.