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an airplane climbs at a rate of 66.8 feet per minute. It descends at twice the rate that it climbs. Assuming it descends at a constant rate, how many feet will the aitplane descend in 30 minutes.

  • math -

    It descends at 133.6 feet per minute.

    133.6 * 30 = ?

  • math -

    4008

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