Task: Question Answering
Input (English): Problem: if 45 % of a class averages 95 % on a test, 50 % of the class averages 78 % on the test, and the remainder of the class averages 60 % on the test, what is the overall class average ? ( round final answer to the nearest percent ).
Options: a. 83 %, b. 84 %, c. 85 %, d. 86 %, e. 87 %
Output (English): c