State sales tax y is directly proportional to retail price . An item that sells for 168 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 z. The appropriate mathematical model is y = Round the constant of proportionality to four decimal places. The sales tax on a $310 purchase is $ Question Help: D Post to forum Submit Question

State sales tax y is directly proportional to retail price . An item that sells for 168 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 z. The appropriate mathematical model is y = Round the constant of proportionality to four decimal places. The sales tax on a $310 purchase is $ Question Help: D Post to forum Submit Question

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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State sales tax y is directly proportional to retail price x. An item that sells for 168 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 z.
The appropriate mathematical model is y =
Round
the constant of proportionality to four decimal places.
The sales tax on a $310 purchase is $
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