Help I need help with this | Here are the prices of some items and the amount of sales tax charged on each in Nevada. cost of item ($) sales tax ($)
10 0.46
50 2.30
5 0.23

1. What is the sales tax rate in Nevada?

A. 2.3%

B. 0.23%

C. 6.4%

D. 4.6 %

d is the correct answer

step-by-step explanation:

x= 8 because 3x = 3 * 8, and 3*8 = 24

the answer is 2/54

step-by-step explanation:

this is a direct variation proportion. y = kx

y is the total amount due, k is the constant of variation, and x is the number of texts sent.

plug in the 3.20 and the 16 to solve for the "k". this is the constant of proportionality. it is the value that will not change.

3.20 = k(16). solving you get $.20 per text.

the equation would then be y = .20x