Comprehension Passage
Directions: The given line chart shows the number of students studying in school A, B and C.
If the number of students studying in School A in 2004 is 50 more than the number of students studying in School A in 2003, then find the average number of students studying in School A from 2000 to 2004.
1
220
2
260
3
280
4
270
5
285