a marine biologist is doing research on a shellfish that lives 80 feet bellow sea level. the marine biologist dives into the sea at a rate that is no less than -5feet per second. how long will it take the marine biologist to reach the shellfish
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time to reach sheefish = 80/5(sec)⇒16 seconds
∴it will take 16 seconds to reach shellfish
∴it will take 16 seconds to reach shellfish
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