SOLUTION: A friend has a 78% average before the final exam for a course. That score includes everything but the final, which counts for 15% of the course grade. What is the best course gr

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Question 1151885: A friend has a 78% average before the final exam for a course. That score includes everything but the final, which counts for 15% of the course grade.
What is the best course grade your friend can earn?
What is the minimum score would your friend would need on the final to earn a 75% for the course?
%

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Use percent and 85% of the grade is accounted for, and it is a 78, so the points are 78*85=6630
Points needed where 100% of the grade is a 75 are 75*100=7500
Points needed to get there are 7500-6630=870
Points needed are P*15=870
p=870/15=58 is the minimum score.