SOLUTION: Maxs test scores on six test are 73,79,81,83,88,94 what score does he need to get on the seventh test to get a mean of 83
Algebra.Com
Question 338142: Maxs test scores on six test are 73,79,81,83,88,94 what score does he need to get on the seventh test to get a mean of 83
Answer by victoria.howard(6) (Show Source): You can put this solution on YOUR website!
Average is the sum of all the numbers divided by the number of integers.
let x be the grade needed to make 83 average.
73 +79+81+83+88+94+x/7 = 83
498+x/7=83
Solve for x
RELATED QUESTIONS
Alex earned scores of 60,74,82,87,87 and 94 on his six algebra test. He has one more test (answered by addingup)
The score of Jose are 80+85+94+88.To ge a mean of 87,What score must he get on the 5th... (answered by swincher4391)
Joe's math scores are 88, 70, 100, and 94. What is the lowest score he can get on the... (answered by fractalier)
A student has taken six tests and received scores of 88,73,81,83,79,94. the seventh test... (answered by Fombitz)
A student in an algebra course has test scores of 71, 90, 79, and 83. What score on the... (answered by stanbon)
A student scores 73, 79, 77, 81 on four tests. To receive and 80 average, what must he... (answered by unlockmath)
steve's spelling test scores are 88, 79, 92, 89, and 95. what is the score he must get on (answered by amarjeeth123)
Scores on a philosophy test are normally distributed with a mean of 69 and a standard... (answered by ewatrrr)
After six biology tests, Ruben has a mean score of 73. What score does Ruben need on the... (answered by josgarithmetic,greenestamps)