The $42 shirt came to $45.87 after tax. What is the tax rate? (%)

Answer 1

x = tax rate
42 + x*42 = 45.87.
Solve for x and change to %.

Answer 2

45.87 - 42 = 3.87

3.87 / 42 = 0.092 = 9.2%

Answer 3

MS SUE IS CORRECT

Answer 4

I agree with khan that Ms Sue is correct; However, my response is correct, too.