Find the widest range of scores that you can get on a final exam in order to receive a grade of b for the class. using interval notation need answer

Correct choice is B

Step-by-step explanation:

Let x% be your final test score, then the average of all test scores is

Since you must have an average between 80% and 89%, then

X is measured in percent, then the greatest value of x can be 100%. You get that

step-by-step explanation:

because 1/3 is a fraction. we can tell because there is a divisor symbol between the 1 and the 3. if we were to add 2 fractions together, we would add the numerators, which is the number on top, but not the denominators, which is the number on the bottom

1/3+1/3=2/3

hope this !