Step 1 :Calculate the cost of chicken per pound by dividing the total cost of the package by the total weight of the package: \(\frac{5.7}{5} = 1.14\) dollars per pound.
Step 2 :Calculate the cost of two pounds of chicken by multiplying the cost per pound by 2: \(1.14 \times 2 = 2.28\) dollars.
Step 3 :Final Answer: The cost of two pounds of chicken is \(\boxed{2.28}\) dollars.