Question 973417
To average 80% in 9 assessments, his total percentage points
must be (80%)(9)=720% points. If he has averaged 78% in 8
assessments, his total is currently (78%)(8)=624%. 
On his final assessment, he must get 720%-624%=96%
ANSWER: James must get a minimum of 96% on his final assessment 
to receive a first class degree.