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?
Algebra.Com
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) (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.
RELATED QUESTIONS
If Katie scored an 80, 83, and an 88 on her first
three tests, what must she score on... (answered by MathLover1,greenestamps)
Seth scored an 82%, 88%, and 75% on three tests. What score must he get on the fourth... (answered by addingup)
Seth scored an 82%, 88%, and 75% on three tests. What score must he get on the fourth... (answered by greenestamps)
John 'a average score on 4 science tests was 91. If he scored 98 on the first test, 83 on (answered by ewatrrr)
Michael Scored 68,88, and 91 on three algebra Tests. What must he score on the fourth... (answered by ewatrrr)
Ali scored 74, 82 and 60 for three of his maths tests. What is the lowest mark he must... (answered by Fombitz)
Annie scored a 95,87,85,93, and a 94 on his first 5 math tests. if he wants a 90 average... (answered by josmiceli)
Larry's average (arithmetic mean) score on the first four of five tests is 88. If Larry... (answered by alicealc)
Susan scored 80, 84, and 92 on her first three algebra test. What must she score on her... (answered by josgarithmetic)