(2) The first 20 minutes: 20× 1,

The second 20 minutes is 20×2,

. . . . . .

Twenty minutes on the 25th, 20×25,

It takes 8 hours to complete: 20× 1+20×2+. . . +20× 25 = 20× (1+25 )× 25 ÷ 2 = 6500 (vehicle, minute)

There is still 24-8= 16 hours, which can be completed: 25×16× 60 = 24,000 (vehicle minutes).

6500+24000=30500>28800,

Can complete the task according to the requirements of the headquarters.