SOLUTION: What is the number grade that I need to get on my final exam to end up with a 72 overall in the class, if I currently have a 86 in the class and the final is worth 30% of my grade.

Question 545784: What is the number grade that I need to get on my final exam to end up with a 72 overall in the class, if I currently have a 86 in the class and the final is worth 30% of my grade.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
What is the number grade that I need to get on my final exam to end up with a 72 overall in the class, if I currently have a 86 in the class and the final is worth 30% of my grade.
:
We can do it this way,
Let x = the final exam grade to have 72 average
= 72
multiply both sides by 10
602 + 3x = 720
3x = 720 - 602
3x = 118
x =
x = 39.3 %, you should be able to handle that, right?
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