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. 1.05(5c) 5(c+0.05c) 5c+0.05(5c) 0.95(5c)

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)
  
 The correct answers are: 
 5 (c + 0.05c)
 5c + 0.05 (5c)
 1.05 (5c)

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