31.5 < X ≤ 35

28 < X ≤ 31.5

24.5 < X ≤ 28

21 < X ≤ 24.5

17.5 < X ≤ 21

14 < X ≤ 17.5

10.5 < X ≤ 14

7 < X ≤ 10.5

3.5 < X ≤ 7

0 < X ≤ 3.5