Tracy has six chapters on her desk that must be typed and proofed as soon as possible. Tracy does the typing; the author does the proofing. Some chapters are easy to type but more difficult to proof. The estimated time (in minutes) for each activity is given here. In what order should Tracy type the chapters so that the entire batch can be finished as soon as possible? When will the chapters be completed?

Job	Typing	Proofing
1	30	20
2	90	25
3	60	15
4	45	30
5	75	60

Answer rating: 100% (QA)

There is task dependency since proofing cannot sta... View the full answer