SOLUTION: I have a 94,87.5,80,80,70.5,85 so far. i have a final exam that will count 25% of final grade average. What do i need to make on final exam to pass with least a 75 final garde aver

Algebra ->  Average -> SOLUTION: I have a 94,87.5,80,80,70.5,85 so far. i have a final exam that will count 25% of final grade average. What do i need to make on final exam to pass with least a 75 final garde aver      Log On


   



Question 242556: I have a 94,87.5,80,80,70.5,85 so far. i have a final exam that will count 25% of final grade average. What do i need to make on final exam to pass with least a 75 final garde average
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
Here is the set up:
Let x = final exam grade that you need
(94 + 87.5 + 80 + 80 + 70.5 + 85 + x)/7 = 75
Can you solve for x now?