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A scuba diver dove to 20 feet below the surface of the water. He then dove an additional 32 feet. What is the depth of the scuba diver? *

Respuesta :

Firstly she was 20 feet below the surface, then she dove down 3 more feet and then she dove up 7 feet, so:

-20 - 3 + 7 =
= -23 + 7 =
= -16 [feet] (that's her depth)

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