Susan is hiking at an elevation of 20 feet above sea level. who is located the same distance from sea level but in the opposite direction

Step-by-step explanation:

We know that Susan is at 20 feet above sea level.

So, the person located at the same distance from sea level but in the opposite direction, is actually located at -20 feet from sea level.

Remember that opposite direction refers to opposite sign of the magnitude, when we talk about vectorial magnitudes, signs indicate orientation.

what are you trying to solve here

step-by-step explanation: