In the activity graph below, where time is measured in hours, what is the minimum time to finish the project?

Question options:

A. 28 hours


B. 23 hours


C. 21 hours


D. 18 hours

In the activity graph below where time is measured in hours what is the minimum time to finish the project Question options A 28 hours B 23 hours C 21 hours D 18 class=