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The graphic shows an example of float with a full diagram.

There is a series of activities with three paths from the start to the finish.

Path 1: Tasks: A, C, G, and H.
Path 2: Tasks: B, D, E, and H.
Path 3: Tasks: B, F, E, and H.

The values for each task are:

A: ES=1, EF=8, LS=1, LF=8, Duration 7
B: ES=1, EF=4, LS=8, LF=11, Duration 3
C: ES=8, EF=14, LS=8, LF=14, Duration 6
D: ES=4, EF=7, LS=11, LF=14, Duration 3
E: ES=7, EF=10, LS=14, LF=17, Duration 3
F: ES=4, EF=6, LS=12, LF=14, Duration 2
G: ES=14, EF=17, LS=14, LF=17, Duration 3
H: ES=17, EF=19, LS=17, LF=19, Duration 2

The formulas to calculate the values are:

Total Float = LS - ES or LF - EF
Free Float = ES (Successor) - EF (Predecessor)

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