Answer:
Step 1: Simplify both sides of the equation.
0= 8− 
0 = 8 + 
0 = 
Step 2: Flip the equation.

Step 3: Subtract 8 from both sides.


Step 4: Multiply both sides by 5/(-2).

<h2>Therefor, the answer is x=20</h2><h2 />
* Hopefully this helps. Mark me the brainliest:)!!!
If the 5 scores have a mean of 8, then their total sum would be 8*5 = 40
Now if one score if added (let's call this score x), there are 6 scores and the mean changes to 9, thus:
(40 + x)/6 = 9
40 + x = 54
x = 14
100%/x%=20/15
(100/X)*x=20/15*x --I multiply both sides of the equation by X
100=1.33333333333*x --I divided both sides of the equation by .........................................(1.33333333333) to get X
100/1.33333333333=x
75=x
x=75
15 is 75% of 20
Answer:
2 option I think, if I'm wrong so sorry ;(
Step-by-step explanation:
2 is a prime number. hope this hepls