Answer: 1 24/80 of a second
Explanation:
Well so if you are at 4 ft after 1 second you need 16/80 of a second to reach 100 feet above because 80 then plus 16 plus the addition 4 ft that you are above the water would be 100 feet.
Answer:
1.2 seconds
100-4=96
96/80 = 1.2
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