The total cost after tex to repair betty's car is represented by 0.08(75h) + 75h, where h represents the number of hours it takes to repair the car. what part of the expression represents the amount of tax betty has to pay? explain.

Since the h represents the number of hours spent working on the vehicle then the 75 represents the charge per hour for the work, leaving only the 0.08 which stands for the sales tax percentage which is 8% or 0.08 of the product of $75 times the number of hours worked on the car.