Erin’s 7 year old car is currently valued at $15610 and when it was 3 years old it was valued at $33690. Calculate constant rate of depreciation as a percentage

Current Value = $15,610 Value When it was 3 years old = $33,690 Depreciation Value = $33690-$15610= $18,080 Total time = 4 years Depreciation every year = 18,080/4 = $4,520 Depreciation percentage = 25%