Question

In the movie 9 to 5​, Maria Delgado worked mornings and her​ sister, who came in a few minutes before Maria​ left, worked the same position in the afternoons. This type of flexible work arrangement is known as​ _____________.

Answer 1

This type of flexible work arrangement is known as SHIFT.
In shift arrangement, the hours in the days are often divided equally into night and day sections, which are handle by different employees. Sometimes, a day work may be divided into three shift depending on the policies of the concerned company.

Answer 2

I believe the answer is : Job sharing

In a job sharing, two or more employees agreed to share their workload part time to fulfil the workload of one employee who done the job full time. Job sharing often preferred over part-time jobs since its base payment typically higher compared to part-time job.