midterm II

grade scale:

19.00 <= x <= 20.00    A+
17.00 <= x <  19.00    A
15.50 <= x <  17.00    A-
14.00 <= x <  15.50    B+
12.50 <= x <  14.00    B
11.00 <= x <  12.50    B-
10.00 <= x <  11.00    C+
 9.00 <= x <  10.00    C
 8.00 <= x <   9.00    C-
 6.00 <= x <   8.00    D
    0 <= x <   6.00    F