Ronan drives from his home to Aldbury, a distance of 30 km, at an average speed of 60 km/h. He then drives from Aldbury to Bishton, a distance of 72 km, at an average speed of 48 km/h.
(a)Calculate the time taken for each part of Ronan's journey.(2)
(b)Calculate Ronan's average speed for the whole journey, in km/h.(2)
(c)Ronan needs to arrive in Bishton by 15:30 and leaves home at 12:45. Explain, with a reason, whether he will arrive on time.(2)
(Total for Question 20 is 6 marks)