In 2003, the price of a certain automobile was approximately $31,000.00 with a depreciation of $2,640.00 per year. After how many years will the car's value be $1,960.00?
a) Write an equation to model the problem. Let t represent the number of years after 2003. Also, let your equation be in the form "expression - expression = expression".
b) Solve the equation to answer the question above. (Note: Include the units, in this case years.)