SOLUTION: Danny has 89, 68, 74 and 82 on his first four chemistry tests. What should he score on his fifth test so he could have an eighty as his average?

SOLUTION: Danny has 89, 68, 74 and 82 on his first four chemistry tests. What should he score on his fifth test so he could have an eighty as his average?

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Question 801642: Danny has 89, 68, 74 and 82 on his first four chemistry tests. What should he score on his fifth test so he could have an eighty as his average?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
(89+68+74+82+x)/5=80
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