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

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

Algebra.Com

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) (Show Source): You can put this solution on YOUR website!

So then adding,

And then the new average is,

RELATED QUESTIONS
The average of 6 numbers is 19. A seventh number is added and the new average age is 20.... (answered by josgarithmetic)

The average of a set of 6 numbers is 3.5. If the number is 4.2 is added to the set , what (answered by ikleyn,greenestamps)

The average of four numbers is 11. If 6, a fifth number is added to the four numbers what (answered by josmiceli)

if average of 10 numbers is zero.If 72 and 12 are added to the list,find the new... (answered by tommyt3rd)

[ If three numbers average 6, and two of these average 5, what is the third number? ] (answered by TimothyLamb)

the average of 3 numbers is 27. If a 4th number is added the new average is 22. What... (answered by JulietG,stanbon)

what are the two numbers if the average of two consecutive even numbers is... (answered by richwmiller,checkley77)

The average of a set of 9 numbers is 54.if 90 and 95 are added on the set what will be... (answered by solve_for_x)

The average of 6 numbers is -24. If we add 1 more number the average becomes -21. Find... (answered by ikleyn)