In Rene’s school, math grades for the year are calculated from assignments, tests and a final exam. Assignments count 30.5%, tests 29.5%, and the final exam 40%. If Rene has an assignment grade of 85, a test grade of 72, and an exam of 61, what is Bobby's overall grade?

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75