Question 1083099
V(t) = Vmax -kt, where t: it's the number of passengers that carries.

V(t) = 100 -3k = 88.

3k = 100 - 88 = 12

k=4.

So V(t) = 100- 4t.

   V(6) = 100 -4*6 = 100 - 24 = 76 Km/hr.

@natolino_