If you can't add, subtract, multiply and divide why did your high school award you a diploma? Why did your state allow you to pass the standardized exams? Accounting usually only requires low levels of math and higher problem solving skills. Your excuses are ignorant and do not have common sense involved. What is so hard about 55,000 x 7.5% - 5,600 ? so they passed the threshold by $1,475. The minimum is 55,000 x 7.5% or 4,125, so anything beyond that beats the threshold tests. I think you don't understand what it is your flaws truly are. TRO - really ? Textbooks generally do not use the current tables, they also tend to mix up and confuse you on purpose by using various tax years and dates in problems. She never said which tax year the teacher gave her. It is not a true taxpayer question. It is an academic homework question.