SOLUTION: The mean of 5 numbers is 90, if the first four numbers are 85,92,89 and 95 what is the 5th number

SOLUTION: The mean of 5 numbers is 90, if the first four numbers are 85,92,89 and 95 what is the 5th number

Algebra.Com

Question 1054749: The mean of 5 numbers is 90, if the first four numbers are 85,92,89 and 95 what is the 5th number
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
(85+92+89+95+x)/5 = 90
85+92+89+95+x = 450
Add numbers on left and substract the sum from both side, you will then have just the x on the left and your answer on the right.
RELATED QUESTIONS
Suppose you have a data set of 83, 84, 86, 89, 90, 92, and 92. What 2 numbers could add... (answered by Edwin McCravy)

what is the minimum score needed to make on the 5th test so that the mean test score is... (answered by nerdybill)

The mean of five numbers is 12 . If the first four numbers are 7,9,10 and 13 , find the... (answered by Cromlix)

The mean of four numbers is 83. If three of the numbers 82, 75, and 85, what is the... (answered by Fombitz)

Carmen was excited about the possibility of earning the "Mayfield Math Award." In order... (answered by addingup)

The mean of 4 numbers is 88 what is the fourth number if three of them are 80,95 and... (answered by jim_thompson5910)

four numbers add up to 95. The second number is twice the first number, the third number... (answered by josmiceli)

four numbers add up to 95. The second number is twice the first number, the third number... (answered by dkppathak)

Four numbers add up to 95. The second number is twice the first number, the third number... (answered by Edwin McCravy)