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State sales tax y is directly proportional to retail price x. an item that sells for 170 dollars has a sales tax of 10.22 dollars. find a mathematical model that gives the amount of sales tax y in terms
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State sales tax y is directly proportional to retail price x. an item that sells for 170 dollars has a sales tax of 10.22 dollars. find a mathematical model that gives the amount of sales tax y in terms of the retail price x.

User Onan
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1 Answer

4 votes
im guessing sales tax would be 6.25%?
User Gary Johnson
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