Fill in the missing number.2Pieces of Chicken (x) 7 8 6 10Price in dollars (y) 14 16 12 20For each piece of chicken it costs dollars.4

To find the unit rate, we have to use the slope formula.
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]Let's replace the points (7, 14) and (8,16).
[tex]m=\frac{16-14}{8-7}=\frac{2}{1}[/tex]