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25 September, 19:16

paul is diving and is 3.5 feet below sea level. he is descending at a rate of 0.5 feet per minute. if paul is now at 12 feet how many minutes has he been diving

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  1. 25 September, 19:19
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    He has been diving for 17 minutes

    Step-by-step explanation:

    * Lets explain how to solve the problem

    - Paul is diving and is 3.5 feet below sea level

    - He is descending at a rate of 0.5 feet per minute

    - Paul is now at 12 feet

    ∵ His initial position is at 3.5 feet below the sea

    ∵ He is descending, that means he is moving down

    ∵ His final position is at 12

    ∴ He is descending a distance = 12 - 3.5 = 8.5 feet

    ∵ He is descending at a rate of 0.5 feet per minute

    ∵ He is descending 8.5 feet

    ∵ Time = distance : rate

    ∴ His time of descending = 8.5 : 0.5 = 17 minutes

    * He has been diving for 17 minutes
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