Fraction line of Huazhou "carriage" school
20 14:
Got 438 points.
Choose a school 330 points.
20 13:
Got 462 points.
347 points for school choice students
20 12:
The positive score is 43 1.
302 points for school choice students
Forecast score line 20 15
Ask students to score between 420 and 460.
The number of students who choose a school is between 320 and 350.