11. Eva's family wants to take a trip from Edmonton to Kelowna. Using Google maps, she found the driving distance to be 900 km , and the flight distance to be 550 km . The table below summarizes the relative speeds and times of a car and an airplane travelling from Edmonton to Kelowna. The car takes 9 h longer to travel to Kelowna than the airplane. Distance Speed Time 550 Airplane 550 km 7x 7x 900 Car 900 km X X a. Describe the difference in speed between the airplane and the car. (1 mark) b. Algebraically determine the speed of the car to the nearest tenth. (2 marks) C. Six teachers are travelling from Calgary to Banff in a six-passenger rental van for a math Conference. Only two of the teachers are willing to drive the rental van. If one of the willing drivers must be sitting in the driver's seat, determine the number of different seating arrangements for the six teachers in the car. (2 marks) . If the teachers can only travel West or South once they enter Banff, determine the number of different routes they could take to get from the entrance into Banff to the Math Conference. (2 marks) Banff Entrance North Math Conference