2.6÷0.08=32.5 (point)

32.5 points < 33 points

Xiaohong goes to school first.

(2) It is x kilometers from the school to the library, so it is necessary.

(x+ 1.2)÷0.2 =(x- 1.2)÷0.08

Solution: x=2.8

(2.8- 1.2)÷0.08

= 1.6÷0.08

=20 minutes

Xiaohong walked from school for 20 minutes.