SOLUTION: Molly has received scores of 85, 88, 87, and 90 on her algebra tests. What is the minimum score she must receive on the fifth test to have an overall test score average of at least
Algebra ->
Finance
-> SOLUTION: Molly has received scores of 85, 88, 87, and 90 on her algebra tests. What is the minimum score she must receive on the fifth test to have an overall test score average of at least
Log On
Question 1057196: Molly has received scores of 85, 88, 87, and 90 on her algebra tests. What is the minimum score she must receive on the fifth test to have an overall test score average of at least 87? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Molly has received scores of 85, 88, 87, and 90 on her algebra tests. What is the minimum score she must receive on the fifth test to have an overall test score average of at least 87?
------------
T = 5th score
---
(85+88+87+90+ T)/5 = 87*5 for average of 87
350 + T = 435
T = 85
--> T >= 85
