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anonymous
 one year ago
Carol buys a reference book that originally cost $87.50 for 15% off. She pays a sales tax of 4.5%. What is the total cost of the book?
anonymous
 one year ago
Carol buys a reference book that originally cost $87.50 for 15% off. She pays a sales tax of 4.5%. What is the total cost of the book?

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triciaal
 one year ago
Best ResponseYou've already chosen the best response.1one approach original price = whole = 100% 15% off = new price of 85% of original tax = 4.5% so add 4.5% of 85% of original Cost = 104.5% of 85% of 87.50 =
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