Patty's Pet Company charges $0.55 per pound to ship pet supplies. Part A: Write an equation to determine the total cost, c, to ship p pounds of pet supplies. Use your equation to determine the cost of shipping 2 pounds of pet supplies.

Part B: If the company reduces the cost to ship pet supplies by $0.05 per pound, write an equation to determine the total cost, c, to ship p pounds of pet supplies with the reduced cost.