Question

someone can solve this​

Answer 1

Answer:

(D) 3.5

Step-by-step explanation:

Given that,

The mean or Average of the numbers are six.

so,

5+4+x+x+3+9+8/6=6

=> 29+2x=6×6

=> 2x= 36-29

=> x=7/2

=3.5

,which is the answer.