**(a)** Scale taken for the time axis is 4 units = 1 hour

**(b)** The person travelled during the time 8 a.m. − 11:30 a.m. Therefore, the person took 3 1/2 hours to travel.

**(c)** The merchant is 22 km far from the town.

**(d)** Yes, the person stopped on his way from 10 a.m. to 10: 30 a.m. This is indicated by the horizontal part of the graph.

**(e)** From the graph, it can be observed that during 8 a.m. to 9 a.m., the person travelled the maximum distance. Thus, the person’s ride was the fastest between 8 a.m. and 9 a.m.