Total score 277-87
Number right/Total score = 190/277 = 0.686, or 68.6 %.
By convention, D+
86%
86% is usually a B.
1134.3105
That would be a grade between 86% and 87%.
86% to 90% is a B plus.
86% or B
86% is a B+ in most grading systems
67%
13 ÷ 15 = 0.866666.... or 86 2/3 % which rounds to a grade of 87.
it is a solid b
86% or a B.
70% usually a C-