Answer:
4
Step-by-step explanation:
It takes 4 hours to do task E using the route: start ⇒B⇒E
It will take 6 hours to do task E if using route : start ⇒C ⇒E
Taking the shortest route, it will take 4 hours
You can apply the critical path method to identify the shortest route possible. First , specify the activity and look for their dependencies.Using the activity diagram, establish the activity completion time.Finally, identify the critical path using the best case estimate.