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A man leaves home at 9.00 am and walks to a bus stop 6 km away at an average speed of 4 km/h. He then waits at the bus stop for 25 minutes before boarding a bus to a town 105 km away. The bus travels at an average speed of 60km/h. Draw a distance time-graph for the journey and use it to answer the following questions:
(a) State the time the man was 100 km from home.
(b) How far away from home was he at 10.15 am?