Based on the activity times, and the order of activities, the critical path is B ⇒ E ⇒ G ⇒ H.
The slack for Activity A is 8 weeks and the slack for Activity D is 8 weeks as well.
<h3>What is the critical path?</h3>
First find all the possible paths:
- A ⇒ D ⇒ F ⇒ H - 21 weeks
- B ⇒ D ⇒ F ⇒ H: 18 weeks
- B ⇒ E ⇒ G ⇒ H: 29 weeks
- C ⇒ G ⇒ H: 26 weeks
- C ⇒ F ⇒ H: 20 weeks
The critical path takes the longest time so will be B ⇒ E ⇒ G ⇒ H: 29 weeks.
<h3>What is the slack for Activity A?</h3>
This can be found as:
= Latest finish for A - Earliest finish for A
Looking at the network, the earliest finish for A is 5 and the latest finish is 13.
Slack is:
= 13 - 5
= 8 weeks.
<h3>What is the slack for activity D?</h3>
Earliest finish for D is 7 and lastest finish is 15.
Slack is:
= 15 - 7
= 8 weeks.
Find out more on the critical path at brainly.com/question/8147877.