In Pschychology class, the midterm counts as 30% of grade, the project counts as 20% of the grade, and final exam is 50% of the grade. a) If Chloe gets 80% on midterm and a 90% on the project, determine the minimum percentage she needs on the final to get an 80% in the class?
b) If Dylan gets a 70% on the midterm and a 75% on the project, but gets a 95% on the final, what is his grade for the course?