SOLUTION: sharon has scores of 76, 82, 93, 47 and 91 on her last five tests.What is the lowest she must score on her final test to average at least an 80?

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Question 627915: sharon has scores of 76, 82, 93, 47 and 91 on her last five tests.What is the lowest she must score on her final test to average at least an 80?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

sharon has scores of 76, 82, 93, 47 and 91 on her last five tests. T+=+389

What is the lowest score highlight%28x%29she must score on her final test to average at least an 80?

   (389+x)/6 ≥ 80

     x ≥ 480-389

     x ≥ 91