Serena parachutes from a plane at a height of 20,000 ft above sea level. Several minutes later she lands on the ground 15 ft below sea level. What was the total vertical distance that Serena parachuted?

The problem ask to calculate the distance or the vertical distance that Serena parachuted if Serena parachutes at a height of 20,000ft and he land 15 ftt below sea level and the answer would be 20,015 ft. I hope you are satisfied with my answer and feel free to ask for more