Answer is $9.00 for 6 pieces
Reason
To find the rate of change, take your change in “y” value over your change in “x” value.
Y2 - Y1
_______
X2 - X1
Example,
$4.50 - $3.00 = $1.50 is your y value over
3-2 = 1 is your x value
Your ratio is $1.50 per piece of chicken
Multiply your ratio x 6 pieces = $9.00
