65
88% or B+
80% or B
82.35%
70% or C-
Fail.
65
68
It is an A- or B+
88% or B+
If you got 32/42, your percentage will be 76%.
Your grade would be 72 if you got 45/62
80% or B
77% or C+
82.35%
If you got 20 problems wrong on a 75 question test your grade would be 73% or a C. You can find that by subtracting the amount of questions you got wrong from the amount you got right, 55 in this case. Divide the amount of correct questions by the amount of questions on the test to get .733333. That is the grade.
You would have a 31 out of 40, or 77.5%