Paper 1 · November 2019 · network analysis
Using the network drawn for shutting down the photographic business, calculate the total project duration, in days.
Model answer
14
Also accepted: 14 days, fourteen, fourteen days
Explanation
The longer route runs A then the slowest of the three parallel activities, B, then E, then the slower of G and H, which is G, then I: 2 + 4 + 3 + 3 + 2 = 14 days. The other route, F at 8 days feeding the dummy and then I, takes only 10 days. The project therefore takes 14 days and finishes with one day to spare on the fifteen day bonus.
Derived from ZIMSEC Business Enterprise Skills Paper 1, Nov 2019, Q10