SOLUTION: the average of 6 numbers is 66. if 75 and 89 are added to the 6 number, what is the new average?

Algebra ->  Average -> SOLUTION: the average of 6 numbers is 66. if 75 and 89 are added to the 6 number, what is the new average?      Log On


   

Question 978895: the average of 6 numbers is 66. if 75 and 89 are added to the 6 number, what is the new average?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%28A%2BB%2BC%2BD%2BE%2BF%29%2F6=66
A%2BB%2BC%2BD%2BE%2BF=396
So then adding,
A%2BB%2BC%2BD%2BE%2BF%2B75%2B89=560
And then the new average is,
%28A%2BB%2BC%2BD%2BE%2BF%2B75%2B89%29%2F8=560%2F8=highlight%2870%29