SOLUTION: A student has test scores of 72, 76, and 78 points. What must he score on the fourth exam to have an average score s of at least 69 points?
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Question 1047086: A student has test scores of 72, 76, and 78 points. What must he score on the fourth exam to have an average score s of at least 69 points? Answer by addingup(3677) (Show Source):
You can put this solution on YOUR website! (72+76+78+x)/4 => 69
(226+x)/4 => 69 Multiply both sides times 4
226+x => 276
x = 50 If the student gets 50 on the fourth exam, the student would have an average of at least 69 points
