Marcello plans to purchase 5 pounds of apples for the week. In addition to the cost of the apples, Marcello will need to pay a 5
% sales tax. Let c represent the cost per pound of the apples. Which expressions can Marcello use to calculate his total cost? Select each correct answer.
We define the variables: c: represent the cost per pound of the apples In addition, we have a 5% tax The correct expression for the total cost will then be: 5c + 0.05 * 5 * c This expression can be rewritten in other ways: 5 (c + 0.05c) 5c + 0.05 (5c) 1.05 (5c) Answer: The correct answers are: 5 (c + 0.05c) 5c + 0.05 (5c) 1.05 (5c)