Trent earns scores of and on three chapter tests for a certain class. his homework grade is and his grade for a class project is . the overall average for the course is computed as follows: the average of the three chapter tests makes up of the course grade; homework accounts for of the grade; the project accounts for ; and the final exam accounts for . what scores can trent earn on the final exam to pass the course if he needs a "c" or better? a "c" or better requires an overall score of or better, and is the highest score that can be earned on the final exam. assume that only whole-number scores are given.