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18 February, 14:02

Which situation involves a change modeled by a negative number but an end result modeled by a positive number?

Jake started his hike at an elevation of 23 meters, traveled down the mountain and stopped at an elevation of - 2 meters.

Marissa had $64 in her savings account. She then withdrew $20 to buy some sandals.

Lorelei owed her mother $15. She then got $10 in a birthday card from her grandmother.

Javier was scuba diving and swam up 6 meters from the ocean floor to sea level to reach his boat.

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Answers (2)
  1. 18 February, 17:13
    0
    It would be Javier was scuba diving and swam up 6 meters from the ocean floor to sea level to reach his boat.

    Step-by-step explanation:

    Since he swam up 6 meters he must have been 6 meters below (also known as: - 6). Once he reached his boat he would be above water.
  2. 18 February, 17:16
    0
    Option 4 - Javier was scuba diving and swam up 6 meters from the ocean floor to sea level to reach his boat.

    Step-by-step explanation:

    To find : Which situation involves a change modeled by a negative number but an end result modeled by a positive number?

    Solution:

    1) Jake started his hike at an elevation of 23 meters, traveled down the mountain and stopped at an elevation of - 2 meters.

    There is elevation 23 meters i. e. positive

    stopped at an elevation of - 2 meters i. e. negative

    This situation is not true.

    2) Marissa had $64 in her savings account. She then withdrew $20 to buy some sandals.

    She had $64 i. e. positive

    Withdrew $20 i. e. negative

    This situation is not true.

    3) Lorelei owed her mother $15. She then got $10 in a birthday card from her grandmother.

    She owed $15 i. e. positive

    She got $10 i. e. positive

    This situation is not true.

    4) Javier was scuba diving and swam up 6 meters from the ocean floor to sea level to reach his boat.

    He swam up 6 meters he must have been 6 meters below i. e. negative

    Then he reached to boat i. e. positive,

    This situation is true.
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