average number of years before the principal of a debt or mortgage remains
outstanding. Businesses calculate average life; individuals typically do not.
Also called weighted-average life.
"average life." YourDictionary, n.d. Web. 25 May 2018. <http://www.yourdictionary.com/average-life>.
average life. (n.d.). Retrieved May 25th, 2018, from http://www.yourdictionary.com/average-life