SOLUTION: If your scores on the first four exams (in this class) are 75, 68, 84, and 83, what score do you need on the next exam for your overall mean to be at least 70?
Algebra ->
Probability-and-statistics
-> SOLUTION: If your scores on the first four exams (in this class) are 75, 68, 84, and 83, what score do you need on the next exam for your overall mean to be at least 70?
Log On
Question 841834: If your scores on the first four exams (in this class) are 75, 68, 84, and 83, what score do you need on the next exam for your overall mean to be at least 70? Answer by ewatrrr(24785) (Show Source):
Hi,
If your scores on the first four exams (in this class) are 75, 68, 84, and 83,
what score do you need on the next exam for your overall mean to be at least 70?
( 75 + 68 + 84 + 83 +x)/5 ≥ 70
( 75 + 68 + 84 + 83 +x) ≥ 350 Solve for x
