Darrell is making arrangements to pick up a client at the airport. Airport taxi charges $6.00, plus $0.50 per kilometre. Airport limo charges a flat rate of $40 for its limousine service. a)Write a system of equations that describes the cost of the taxi and limoousine. b)solve the system you wrote in a c) Explain what the solution to the sytem represents. d) Darrell is trying to decide whether the taxi or the limo is cheaper. What advice would you give Darrell?