Final answer:
The algebraic expression for state income tax at a rate of 3.07% on a gross income of I dollars in Pennsylvania would be 0.0307 × I, which is the same as 0.0307I.
Step-by-step explanation:
The question at hand is asking to express the state income tax for Pennsylvania as an algebraic expression, given the income tax rate is 3.07%. To convert a percentage into a decimal, the percentage is divided by 100. Therefore, 3.07% is equivalent to 0.0307 as a decimal. The expression that represents the total amount of income tax on a gross income of I dollars is therefore 0.0307 × I, which aligns with the options provided as either A) 0.0307I or B) 0.0307×I, as they are mathematically the same.