What is the answer to this questionWrite a real-world problem that could be solved by using the equation 3x - 25 = 125. Then solve the equation

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%)