Aubree, a College Freshman, Took 15 Hours Her First Semester

Short Answer

Aubree, a college freshman, took 15 hours her first semester. Below is her grade report. Aubree's university uses a 4-point grading system, i.e., A=4, B=3, C=2, D=1, F=0.
a.Compute Aubree's grade point average at the end of the semester.
b.The next semester, Aubree retakes physics and makes a B. If this B replaces her old grade (D), what would her revised GPA be? (Assume the only class she took her second semester was physics.) (Round to the nearest hundredth.)