Practice

In the activity-on-node network shown for a storm-sewer replacement, the durations are A 6, B 9, C 14, D 4, E 2, F 7 and G 10 days. A, B and C start at day 0; D follows A and B; E and F follow D; G follows C; E, F and G precede End. The total float of activity D is most nearly:

Click the question or Tab into it, thenA–Dto choose·Enterto check