A new sofa cost 1200 in 2010 The value of the couch

Last updated: 2/22/2023

A new sofa cost 1200 in 2010 The value of the couch decreases by 15 per year a Write a formula for the value of the couch t years after 2010 b If the cost continues to decrease exponentially what will the value of the sofa be in 5 years c If the cost continues to decrease exponentially how long will it take for the couch to reach half of its original price