SOLUTION: Michael Scored 68,88, and 91 on three algebra Tests. What must he score on the fourth test in order to have an average of at least 85?

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Question 841075: Michael Scored 68,88, and 91 on three algebra Tests. What must he score on the fourth test in order to have an average of at least 85?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

Michael Scored 68,88, and 91 on three algebra Tests. 

What highlight_green%28x%29 must he score on the fourth test in order to have an average of at least 85?

 %2866%2B88%2B91%2Bx%29%2F4+%3E=+85

 %2866%2B88%2B91%2Bx%29+%3E=+340

 248+%2Bx+%3E=+340

       x ≥  92

CHECKING our answer***

 %28340%29%2F4+%3E=+85

Wish You the Best in your Studies.