SOLUTION: Jake received these grades on five algebra tests: 82,94,74,68,86. What would he need to score on his next test to earn an average of 82%?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Jake received these grades on five algebra tests: 82,94,74,68,86. What would he need to score on his next test to earn an average of 82%?       Log On


   

Question 341909: Jake received these grades on five algebra tests: 82,94,74,68,86. What would he need to score on his next test to earn an average of 82%?
Answer by Sphynx pinastri(7) About Me  (Show Source):
You can put this solution on YOUR website!
Let's write the equation:
%2882+%2B+94+%2B+74+%2B+68+%2B+86+%2B+x%29%2F6+=+82
i.e.
x+=+88
Jake needs to score 88% on the next test.