brownboynati brownboynati

06-05-2021
Mathematics

contestada

the mean of 3,7,8,10 and x is 6 find x

Respuesta :

altavistard altavistard

06-05-2021

Answer:

x = 2

Step-by-step explanation:

The mean is

3 + 7 + 8 + 10 + x

------------------------- = 6

5

Multiplying both sides by 5, we get:

3 + 7 + 8 + 10 + x = 30

Then 28 + x = 30, so that x must be 2

x = 2

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