SOLUTION: I have a 91% in my class and my final is worth 15%, what grade do I need on my final to pass with an 80%?

Algebra ->  Average -> SOLUTION: I have a 91% in my class and my final is worth 15%, what grade do I need on my final to pass with an 80%?      Log On


   



Question 764349: I have a 91% in my class and my final is worth 15%, what grade do I need on my final to pass with an 80%?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

If final is worth 15% the previous test were worth 80 of 100 points.
---
you received 91% of those 80 points is equal to 0.91%2A80+=+72.8 points
You need 80-72.8+=+7.2 points on the final test.
check:
You need %287.2%2F9%29+=+0.8+=+80% on the final exam.