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A manatee surfaced for air 6 times in 240 seconds. How many seconds went by before the manatee surfaced the fourth time if it held its breath for the same rate?
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A manatee surfaced for air 6 times in 240 seconds. How many seconds went by before the manatee surfaced the fourth time if it held its breath for the same rate?

User Clemence
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1 Answer

4 votes
i think it is 160 seconds
User Meises
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