A gold mine has two elevators, one for equipment and another for the miners. The equipment elevator descends 5 feet per second. The elevator for the
miners descends 15 feet per second. One day, the equipment elevator begins to
descend. After 17 seconds, the elevator for the miners begins to descend. What is
the position of each elevator relative to the surface after another 18 seconds? At
that time, which elevator is deeper?
The position of the equipment elevator relative to the surface is feet. .