can some help me with this? please and thank you

S. For most assets such as cars, electronic goods, and furniture, the value decreases, or depreciates, value each year, it is referred to as straight-line depreciation. each year. If the value of an asset is assumed to decrease by a fixed percentage of the original a) Suppose the value of a car which initially costs $20,000 depreciates by 10% of its b) If a S500 washing machine is completely depreciated after ten years (straight line original value each year. Find a formula for its value Pt) after t years. depreciation), find a formula for its value W) after t years