The sales tax on a bookcase is $11.20, If the bookcase cost before tax is $280, what is the sales tax rate

Answer 1

Sales tax is determined by calculating a percentage of the price. This percentage is called the tax rate.

To determine the amount of money to be paid in tax, you would multiply the price by the tax rate or percent (usually written in decimal form).

Amount of tax = percent • price

Here, the amount of tax is $11.20 and the price is $280. We need to calculate the percent.

If we use the variable x to represent the percent, then we can write and solve the following equation:

11.20 = x • 280

11.20 = x • 280

280 280

0.04 = x

0.04 written as a percent is 4%.

The tax rate is 4% .