A students course grade is based on one midterm that counts as 10% of his final grade, one class project that counts 20% and a set of homework assignments that count 45% and a final exam that count 25%. His midterm score is 65, his project score is 83, his homework score is 83 and his final exam is a score of 75. What is his overall final score ? (type integer or decimal, do not round)