There is already answers for this question but they are all different than one another. What Is the correct answer and please explain?

Calculate the grade point average: A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0 Courses Attempted Accounting II Business Math Chemistry Biology Credits Grade 3 B 3 A 4.5 C 4.5 D Grade point average Calculate the grade point average: A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0 Courses Attempted Accounting II Business Math Chemistry Biology Credits Grade 3 B 3 A 4.5 C 4.5 D Grade point average