Answer:

Step-by-step explanation:
Swap the fraction,

or around 7.142...
Not sure if your trying to solve for x or v
I would use a small, easy slope.
1) Well you divide the copies by 14 for the amount of friends that Ivan has helping him then multiply that to the 0.25 cents that he is playing them.
2) You multiply 1428 of the copies of flyers to the 0.10 then add that answer to the answer of number 1
In the middle:
x-coordinate= {7-(-1)}/2= 4
y-coordinate= (8-2)/2= 3
So centre is (4,3)