Activity J has a duration of 7 and an earliest finish time of 21. If J's latest start time is 16, this must mean that J's slack is
A)7.
B)4.
C)3.
D)2.
E)1.

Question

Quizplus · Accepted Answer

Slack is calculated as the difference between the latest start time and the earliest start time. Since the earliest finish time is 21 and the duration is 7, the earliest start time is 21 - 7 = 14. The slack is 16 - 14 = 2.

Activity J Has a Duration of 7 and an Earliest