Siobhan is a delivery driver. In the morning she drives from a depot in Preston to a warehouse in Bolton, a distance of 36 km, at an average speed of 48 km/h. She then drives from Bolton to a second warehouse in Manchester, a distance of 100 km, at an average speed of 80 km/h.
(a)Calculate the time taken for each part of Siobhan's journey.(2)
(b)Calculate the total time for the whole journey, in hours.(1)
(c)Calculate Siobhan's average speed for the whole journey, in km/h.(2)
(Total for Question 26 is 5 marks)