Answer:4 runners finished the race
Explanation:
There were 60 runners to start a race.
In the first half of the race, 2/3 of them dropped out. This means that the number of runners that dropped out would be
2/3 × 60 = 40 runners
The number of runners that is left out would be
60 - 40 = 20
In the second half of the race, 4/5 of the remaining runners dropped out. This means that the number of runners that dropped out would be
4/5 × 20 = 16 runners
Therefore the number of runners left and also finished the race would be
20 - 16 = 4
4 runners finished the race