SOLUTION: on two exams you have the grades of 83 and 95. There is an optional final exam which counts as one grade. You decide to take the final to get a course grade of an A, meaning a fina

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Question 845042: on two exams you have the grades of 83 and 95. There is an optional final exam which counts as one grade. You decide to take the final to get a course grade of an A, meaning a final average of at least 90.
1. what must you get on the final to get an A in this course
2. By taking the final, if you do poorly you must risk the B that you have in the curse based on your first two exam grades. If your final average is less than an 80, you will loose your B in the course. describe the grades on the final that will cause this to happen. (you will loose your grade if you make less than...?)

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
%2883+%2B+95+%2B+x%29%2F3++%3E=+90
x ≥ 92, to get an A
%2883+%2B+95+%2B+x%29%2F3+%3C+80
x < 62, will lose your grade of a B