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4 June, 22:11

Martina begins a dive at sea level. She dives down 20 feet, and then rises 7 feet.

She dives again, going down 9 more feet. How far below sea level is Martina?

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Answers (2)
  1. 4 June, 23:02
    0
    22 feet below sea level

    Step-by-step explanation:

    If she goes down by 20 and back up by 7 the overall effect is going down by 13 and then going down 9 more feet makes it a total of 22 feet.
  2. 5 June, 00:04
    0
    Answer:22

    Step-by-step explanation:

    -20+7-9 = - 22 ft, or 22 ft below sea level
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