7. Sleek Auto Body Shop has five cars that must have fenders straightened and be repainted.

Julie Stewart, the manager, must be present while the work is being done, although the person who straightens fenders can work independently of the painter.

a. Sequence the cars so that Ms. Stewart’s workday will be as short as possible.

b. How long will Ms. Stewart’s workday be if she comes to work when the straightener begins and leaves when the painter leaves?

c. How long must the fender repairer work during the day?

d. When should the painter come to work and how long must she work if she begins as soon as the first job is available?

Transcribed Image Text:

CAR HOURS OF STRAIGHTENING REQUIRED ABC HOURS OF PAINTING REQUIRED CAR 1.8 2.1 1.9 1.5 2.0 1.0 DE HOURS OF STRAIGHTENING REQUIRED HOURS OF PAINTING REQUIRED 1.6 2.0 1.1 1.4