Question

The expression 0.09x+(x−30) models the final price of a bicycle with an instant rebate in a state that charges a sales tax. The tax is on the original price. Which expression represents the amount of tax that is paid on the bicycle?

A. x−30
B. 0.09x
C. 1.09x
D. 0.09x−30

Answer 1

B. 0.09x

Explanation:

x is the initial price.

0.09x is the 9% sales tax.

-30 is the instant rebate.