Add the grades of Exam 1 (0-100pts) , Exam 2(0-250pts), and
 the 3 Homeworks (0-40pts each)
Let G= Exam1 + Exam 2 + HW1 + HW2 + HW3.
 
If the semester was to end today
 A    range :  400-470
 B/B+ range :  300-400
 C/C+ range :  230-300
 D/F  range :    0-230

[Boundaries possibly overlapping]


October 29, 2019 @ 16:58