Una persona está solicitando un préstamo de Q 500000 y al cabo de tres años debe devolver una cantidad de Q525000. Calcular el monto de los intereses y la tasa de interés anual que cobró el banco.

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%)