SOLUTION: A student scored 65,80, and 74 on the first three tests during the term. What does the student need to score on the fourth test to ensure and average score that is above 75.

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Question 335689: A student scored 65,80, and 74 on the first three tests during the term. What does the student need to score on the fourth test to ensure and average score that is above 75.
Answer by rfer(12647) About Me  (Show Source):
You can put this solution on YOUR website!
(65+80+74+x)/4=75
(219+x)/4-75
219+x=300
x=81