A submarine was twenty feet below the surface of the water and
descended an additional thirty two and a half feet. Eventually, the
submarine ascended forty feet toward the surface of the water.
What is the location of the submarine in the water?
A -12 feet below the surface of the water
B. -12.5 feet below the surface of the water
C. -52.5 feet below the surface of the water
D. -92.5 feet below the surface of the water