Multiple Choice
Consider the portion of a project depicted by this graph: 
What is the latest start time of activity 6-7 if the latest finish of activity 7-8 is 26, and the latest finish of activity 7-9 is 23?
A) 18
B) 17
C) 13
D) 12
E) 10
Correct Answer:

Verified
Correct Answer:
Verified
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