Kartik takes 4 hours to travel from place X to place Y at the speed of 80 km/hr. He takes 1 hour to travel from place Y to place Z with 80% increased speed. What is the average speed from Place X to Z for the complete journey?
1
82.6 km/hr
2
90.8 km/hr
3
92.8 km/hr
4
88.6 km/hr