(a)[1]
Find the overall length of time that the bus is stopped on the journey.
(b)[1]
Find the average speed of the bus for the full journey from the village to the town.
(c(i))[1]
A yellow bus sets off from the town at $11\,25$ and goes without stopping along the same road to the village at a constant speed of $50\text{ km/h}$. On the graph draw the distance-time graph for the yellow bus.
(c(ii))[1]
When does the yellow bus meet the red bus?