SOLUTION: Salma has scored 88,91,75,94 on her previous four tests. What score does she need on her next test so that her average (mean) is 86?
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Question 849660: Salma has scored 88,91,75,94 on her previous four tests. What score does she need on her next test so that her average (mean) is 86?
Answer by swincher4391(1107) (Show Source): You can put this solution on YOUR website!
The next test would make 5 scores. So, we want 86*5 = 430 total points.
88+91+75+94+x = 430
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