Ben travelled 4km from their school to the left (O being the place of origin) and Chad
did the same but travelled 2km longer than Ben. On the other hand, Kent travelled
to the right starting from the same origin with the distance of 3km. Place those people
on the number line to find their position from the place of origin

+
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6​