Question

The average of 7,9 and x is greater than 9, then x is

Answer 1

11 is the answer for the above question

Answer 2

The value of x is greater than 11.

Step-by-step explanation:

Given : The average of 7,9 and x is greater than 9.

To find : The value of x ?

Solution :

The average is the sum of the observation divided by total number of observation.

i.e. $A=\frac{\sum x_n}{n}$

The average of 7,9 and x is greater than 9.

i.e. $\frac{7+9+x}{3}>9$

$16+x>27$

$x>27-16$

$x>11$

Therefore, the value of x is greater than 11.

#Learn more

The mean of 7,9,x+3,12,2x-1,3 is is 9 find the value of x

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