A diver was swimming at a depth of ~30 meters below sea level. She then ascended 18 meters towards the surface. What is her new position relative to sea level?
Show answer & explanation
Correct answer: A
Explanation
Sea level is considered 0.
Diver's initial position = 30 meters below = -30 meters
She ascends 18 meters, so the new position is:
-30 + 18 = -12 meters
Thus, the diver is now 12 meters below sea level.