(a(i))[1]
State the distance covered by the train in the first $8$ minutes.
(a(ii))[3]
Calculate the average speed, in kilometres per hour, for the trip from Dexford to Fintown.
(b(i))[2]
Complete the travel graph
(b(ii))[2]
Convert $80\ \text{km/h}$ into metres per second.
(c)[2]
State the time at which the fourth train leaves Dexford for Fintown.