The cost per pound of the chicken breasts is $3.60.
In order to determine the cost per pound of chicken breasts, the total cost of 2 1/2 pounds of chicken breasts has to be divided by the total pounds bought.
Cost of one pound of chicken breast = cost of 2 1/2 pounds / total pounds bought
$9 ÷ [tex]2\frac{1}{2}[/tex]
Convert the mixed fraction to an improper fraction
$9 ÷ [tex]\frac{5}{2}[/tex]
$9 x [tex]\frac{2}{5}[/tex]
= [tex]\frac{18}{5}[/tex]
=$3.60
A similar question was answered here: https://brainly.com/question/5768486?referrer=searchResults