Mabel walks down a straight hall from a bench to the door of her spanish class at a rate of 1.4m/s for 28 s, then she realizes she forgot her folder. She walks back to the bench in 24 s, stops for 5 s to pick up her folderand returns to the door in 21s.

A). What is the distance between the bench and the door to Mabel's Spanish class?

B.) Find Mabel's total displacement vector. Compute Mabel's average velocity.

C.) Compute Mabel's average speed.