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The following is a table of activities associated with a project at Rafay Ishfaq's
software firm in Chicago, their durations and what activities each
must precede:
Activity
A (start)
Duration (weeks)
Precedes
3
B, C
B
2
E
C
6
F
E
3
3
דן
F
F (end)

b) The activities on the critical path are