Without that value, we can't solve your problem, unless you are looking for an algebraic equation.
Answer:
The answer is A I hope it’s right
Step-by-step explanation:
405-319=86
12 divided by 2/3 = 18
2/3 divided by 12 = 0.5
Answer: It depends on what categories your teacher has and what percent of your grade it is worth. I would recommend an online grade calculator
I think I did this test and I think it’s A