Bonnie and Clyde are sliding 470 kg bank safe across the floor to their getaway car.

Bonnie and Clyde are sliding 470 kg bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 450 N of force while Bonnie pulls forward on a rope with 345 N of force. What is the safe’s coefficient of kinetic friction on the bank floor?