While many schools or classes use different grading scales, the standard American grading scale works on a 10 point system, meaning an 80 is a B. However, using another very typical grading scale, an 80 would be a C. Your answer depends on which grading scale your class/school uses.
The first grading scale, where an 80 is a B is as follows:
The second grading scale, where an 80 is a C is as follows:
An 80 is an A
your grade would be 80% or a B-
An 80 is an above average grade. It is not really an outstanding grade but is better than average. To me anything below 80 is unacceptable but an 80 is still a B so its still not that bad of a grade.
82.5% or B
40 out of 50 is 80%. The grade which this represents will depend on grade boundaries which, in turn, will depend on the standardising procedure.
It is 80%
It is; 88.75%
A plus grade means number between 80-100. A grade means 70-80.