SOLUTION: If i got 77% on my first test what percentage should i get on my last test to get a 90% average?

Algebra ->  Average -> SOLUTION: If i got 77% on my first test what percentage should i get on my last test to get a 90% average?      Log On


   

Question 570837: If i got 77% on my first test what percentage should i get on my last test to get a 90% average?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If i got 77% on my first test what percentage should i get on my last test to get a 90% average?
---------------
If you have only those 2 tests, you need 103%
----
(77 + score)/2 = 90