Approximate guidance based on HW1, HW2, HW3, HW4 and Exam 1 Total # pts is 480. Class average is 307-308 pts (~64%) If the semester was to end now the letter grades would have been approximately as follows: (Groups overlap) 390-480 A range 270-390 B or B+ range 200-270 C or C+ range 0 -200 F range 10/31/2022@11:01