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?

Algebra ->  Average -> 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?      Log On

 

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