4321-1001(5554676) tytrtuur
Mean:13 Median:12.5 Mode:12
lets use x The sum of that and 6 is 1/2 x + 6
Ten times that is 10 (1/2 x + 6)
The question says that's 8.
So 10 (1/2 x + 6) = 8
Divide each side by 10 : 1/2 x + 6 = 0.8
Subtract 6 from each side: 1/2 x = - 5.2
<span>Multiply each side by 2 : x</span><span> = - 10.4</span>