A luxury car and a mid sized sedan were purchased in 2012 The luxury car was purchased for 90 000 and depreciates loses value at a rate of 6 250 per year The mid sized sedan was purchased for 35 000 and depreciates loses value at a rate of 1 250 per year Write an equation relating yy the luxury car s value to xx the number of years since 2012 Write an equation relating yy the sedan s value to xx the number of years since 2012