A hot air balloon is 1550 feet off of the ground and it’s altitude is slowly changing at a constant rate of - 7 1/2 feet per second. How many seconds, *s*, will it take for the balloon to drop to below 465 feet?

A hot air balloon is 1550 feet off of the ground and its altitude is slowly changing at a constant rate of 7 12 feet per second How many seconds s will it take class=