Use an equation to solve the problem. Sales tax on a $13 compact disc is $0.91. At what rate is sales tax computed?
A) 5%
B) 7%
C) 2%
D) 6%
E) 8%

Question

Quizplus · Accepted Answer

Let's assume that the sales tax rate is x%.

Then, the equation to represent the problem would be:

0.01x * 13 = 0.91

Simplifying the equation, we get:

0.13x = 0.91

Dividing both sides by 0.13:

x = 7

Therefore, the sales tax rate is 7%, which is answer choice B.

Use an Equation to Solve the Problem