7

8

9

5

2

4

8

7

activity 4—6 is completed

activity 3 - 5 is completed

activity 2—3 is completed

both activities 2—3 and 4—6 are completed

3.5 and 5/6

5 and 25/36

3.5 and 25/36

4 and 5/6

Start float and finish float are always equal.

Total float can be either start float or finish float.

Start float and finish float need not be equal.

Start float and finish float are the differences between activity times and not event times.