Question: Consider the following network diagram. Each arrow represents a task in the project and the duration of the task appears on top of the arrow.

Consider the following network diagram. EachConsider the following network diagram. Each arrow represents a task in the project and the duration of the task appears on top of the arrow. We note each activity by its start and ending node. for example, activity 1-3 has a duration of 8 days.

1. What is the duration of this project?

A. 13 B. 19 C. 15 D. 20 E. 52

What is the earliest start time for activity 4-7?

A. 5 B. 4 C. 0 D. 10

5 3 6 8 7 2 4 9 1) 7 6 3 6 2 5

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