Question

A jacket costs $34.85 plus sales tax. After sales tax, the jacket costs $37.29.

What is the approximate sales tax rate?

Answer 1

Equation:
37.29 = 34.85 + 34.85(x)

Solving:

37.29 = 34.85 + 34.85x
2.44 = 34.85x
x = 0.07

The approximate sales tax rate is 7%.

Answer 2

Answer:

the approximately sales tax rate is 7%