My Course Grade
posted by shama .
I have class average of 85.74.
i got 63 in final which 15 of the class .
what will be my my overall class average .
Thank you in advance.

Your question makes no sense. "15 of the class"?????
Please clarify and repost. 
My final is 15 percent of total class .
85.74..all class average
63 ____final final percent of class. 
85 * 85.74 = 7287.9
15 * 63 = 945
(945 + 7287.9) / 100 = 82.33% 
63 (final score) ____15 percent of class.
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