ggay2311 ggay2311

03-05-2021
Mathematics

contestada

the mean of 5 numbers is 8.
one more number is added to the group.
the mean of the numbers is 9.
what number was added to the group

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scsb17hm scsb17hm

03-05-2021

Answer:

14

Step-by-step explanation:

Sum of the first five numbers = 40

The sum of the six numbers should equal 9 x 6 = 54

So, you would do 54 - 40 = 14

Hope that helps! :)

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