Create 55 seconds of a simple motion graphic Promotional Video in After Effects

Create 55 seconds of animated graphic videos using After Effects (or something similar) for a promotional video to showcase a new online course. The video should include typography in motion, basic image motion, and some simple additional graphics will need to be designed in Illustrator or Photoshop. Sample graphics and concepts will be provided.

Three video files will be required in different dimensions -

Standard - 9:16 (rectangle for YouTube)
Square
Vertical - 16:9 (Vertical video for Facebook)

Please provide samples of previous work you have done that is similar to this project. Tell me why you are the best person for this project and how many hours you expect it to take.