35/50 in percentage form is 70%. If you were to scale this on a general marking scheme it would be around a B.
A
The score is 74%. The grade letter will depend on the grade boundary.
F
The score is 85.7% .The letter grade for that score is completely up to the teacher.
50%
the answer is a A
It is: 86%
F (50%)
As a percentage it is 58% and the letter grade depends on the awarding body.
71 percent letter grade, depend on the university, is about a D+.
78% or C+