These students are missing the point of a writing class. As a writing student, your job is not to read your professor's mind. Further, your learning process does not end when you hand in your first draft. Even if the resume you submit was good enough to get you your last job, I require all students to revise and improve their work . Unless I see your writing, it is impossible for me to help you figure out which lessons are the most important for you.
Writing is hard work.
There are no shortcuts. The content and phrasing of a computer-readable resume will be very different from one that you write for human beings to read. A popular MS-Word resume template uses tables inefficiently. Often worked alone, but also trained and supervised part-time employees. Set new sales records 8 of the 12 weeks I worked there.