Kelsey takes out a loan for $6000 to start a business after high school. the bank charges her for 8% interest for the loan after 5 years how much interest will be added on ro the loan

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)