SOLUTION: a. State sales tax y is directly proportional to retail price x . An item that sells for 178 dollars has a sales tax of 10.22 dollars. Find a mathematical model that gives the amou

Question 1170952: a. State sales tax y is directly proportional to retail price x . An item that sells for 178 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 .
Your answer is y =
b. What is the sales tax on a 310 dollars purchase?
Your answer is
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

State sales tax is directly proportional to retail price .

if an item that sells for dollars has a sales tax of dollars and the tax is proportional to the price, the tax ratio is

Find a mathematical model that gives the amount of sales tax in terms of the retail price .
answer is:

b. What is the sales tax on a dollars purchase?

dollars

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