SOLUTION: Elsa has scored 75,72,61,and 76 on her previous four tests. What score does she need on her next test so that her average (mean) is 75?

Algebra ->  Average -> SOLUTION: Elsa has scored 75,72,61,and 76 on her previous four tests. What score does she need on her next test so that her average (mean) is 75?      Log On


   

Question 927505: Elsa has scored 75,72,61,and 76 on her previous four tests. What score does she need on her next test so that her average (mean) is 75?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
%2875%2B72%2B61%2B76+%2B+x%29%2F5+=+75
x = 375 - (75+72+61+76)
x = 375 - 284 = 91