SOLUTION: Your final exam is 25% of your final grade. You want to get 80%. Your average on ,the first 3 tests is 75. What do you need on the final to reach your goal?

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Question 814622: Your final exam is 25% of your final grade. You want to get 80%. Your average on ,the first 3 tests is 75. What do you need on the final to reach your goal?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
Note: 3 tests plus final 0r 4 tests each counting 25% of grade
average on the first 3 tests is 75 0r 225 point earned to date
Let x represent final exam score
If
then x = = 95
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