Question

3. a) A train completed a journey of 850 kilometers with an average speed of 80 kilometers per hour. Calculate, giving exact answers, the time taken for the journey in: i) Hour [2] ii) Hours, minutes and seconds [1] b) Another train took 10 hours 48 minutes to complete the same 850km journey. i) It departed at 19 20. At what time, on the next day did this train complete the journey? [1] ii) Calculate the average speed, in kilometers per hour, for the journey.

Answer 1

Step-by-step explanation:

distance=850km

speed=80km/h

time=distance/speed

=850/80=10.625h

10hr 37 min 30 sec