Answer: A project has the following activities, with specified precedents and expected durations (in hours). What is the expected project duration? Activity Precedent Duration Answer: A 6.0 B 7.2 C A 5.2 D B, C 6.0 E B, C 4.5 LL F D 7.7 G E, F 4.1 A project has the following activities, with specified precedents and expected durations (in hours). How much slack does Activity E have? Activity Precedent Duration A Answer: 6.0 B 7.2 0 A 5.2 D B, C 6.0 E B, C 4.5 F D 7.7 G E, F 4.1