SOLUTION: jon wants an average test score of 88. if he scored 74, 92, and 84 on the first three tests, what must he score on the last test?

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Question 154802: jon wants an average test score of 88. if he scored 74, 92, and 84 on the first three tests, what must he score on the last test?
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
(74 + 92 + 84 + x)/4 = 88
250 + x = 352
x = 102

If there is no extra credit offered, then there is no way for Jon to achieve an average of 88.