The feet that he descended in 8 hours will be 135168 feet.
From the information, it was stated that the the hiker hikes at a rate of 3.2 miles per hour.
Therefore, the number of miles after 8 hours will be:
= 8 × 3.2
= 25.6 miles
It should be noted that 1 mile = 5280 foot
Therefore, this will be:
= 25.6 × 5280
= 135168 feet
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