What is the lowest mark I can get on my exam, without changing my current average?

Lily J: What is the lowest mark I can get on my exam, without changing my current average?
Let’s say my current average right now for this class is %95.
And the exam is worth %30.
What’s the lowest grade I can get on the exam without disturbing my %95 average?

Answers and Views:

Answer by Booch
probably somewhere round a 60