Question

Here are the prices of some items and the amount of sales tax charged on each in Nevada. cost of item ($) sales tax ($) 100.46 502.30 50.23 a.What is the sales tax rate in Nevada? b.Write an expression for the amount of sales tax charged, in dollars, on an item that costs dollars.

Answer 1

a. The sales tax rate in Nevada cannot be determined from the information given.

b. Let's call the cost of an item in dollars "x".

The amount of sales tax charged in dollars on an item can be represented by an expression as follows:

sales tax = tax rate * x

Since the tax rate is not given, we cannot write a specific expression for the amount of sales tax charged.

Explanation:

Answer 2

Therefore the sales tax rate in Nevada is 4.6%.For an item that costs c dollars, we have:c$ ·4.6%=c·0.46 $.Step-by-step explanation:From exercise we have that :Cost of item:10$. Sales tax: 0.4650$ sales tax: 2.305$ sales tax: 0.23We calculate the sales tax rate in Nevada, and we get10$:100=0.46:x10x=100· 0.4610x=46x=4.6%Therefore the sales tax rate in Nevada is 4.6%.The same can be done for the other two cases.For an item that costs c dollars, we have:c$ ·4.6%=c·0.46 $.

Explanation: