Question: Activity Duration (days) Predecessor(s) A 9 B, C, D B. 2 None 8 None 7 None How many dummy arc(s) is (are) there in this

Activity Duration (days) Predecessor(s) A 9 B, C,

Activity Duration (days) Predecessor(s) A 9 B, C, D B. 2 None 8 None 7 None How many dummy arc(s) is (are) there in this AOA network? Keep your own AOA graph

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