If Jackie has a taxable income of less than $9,875 in 2020, write an equation representing the amount of income tax that Jackie owes, T, in terms of Jackie’s 2020 taxable income, J.
If Jackie's taxable income for 2020 is less than $9,875, the equation to represent the amount of income tax that Jackie owes, T, in terms of her taxable income, J, would be T = 0.10J. This is because the tax rate for taxable income up to $9,875 for single filers in 2020 was 10%.