Answer:
The required equation is y=x.
Step-by-step explanation:
The given data table is
x (cookies) y (dollars)
10 $ 10
12 $ 12
14 $ 14
20 $ 20
It is given that there is a proportional relationship between the number of oatmeal raisin cookies Nicole buys, x, and their total cost (in dollars), y.
[tex]y\propto x[/tex]
[tex]y=kx[/tex]
The value of y is 10 and x=10, so
[tex](10)=k(10)[/tex]
Divide both sides by 10.
[tex]1=k[/tex]
The value of k is 1.
The equation for the relationship between x and y is
[tex]y=(1)x[/tex]
[tex]y=x[/tex]
Therefore, the required equation is y=x.
