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Mathematics, 02.07.2021 04:40 thepatatolife
State sales tax y is directly proportional to retail price x. An item that sells for 156 dollars has a sales tax of 14.42 dollars. Find a mathematical model that gives the amount of sales tax y in terms of the retail price x . What is the sales tax on a 320 dollars purchase.
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State sales tax y is directly proportional to retail price x. An item that sells for 156 dollars has...
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