If the original price is $45 the discount is 36% and the tax is 8% what is the final cost?

The answer is $31.10. Since the discount is 36% you would be paying 64% of the price. Multiply 0.64 by 45 and you get 28.8. 28.8 times 0.08 is 2.3. Add 28.8 to 2.3 and get $31.10