What number must be added to 3,-8, and 5 to have a mean of 2?

Andreyunugro asked Jul 4, 2022

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15 votes

Andreyunugro asked Jul 4, 2022

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7 votes

Answer:

Explanation:

The mean is calculated as

mean =
(sum)/(count)

let x be the required number , then

(3-8+5+x)/(4) = 2 ( multiply both sides by 2 to clear the fraction )

0 + x = 8 , so

x = 8

Ewerton answered Jul 8, 2022

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