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A manatee surfaced for air 2 times in 60 seconds.In how many seconds will the manatee surface again if it continues taking breathes at the same rate?
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A manatee surfaced for air 2 times in 60 seconds.In how many seconds will the manatee surface again if it continues taking breathes at the same rate?

User Alex Shchur
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If it surfaced twice in 60 seconds it is surfacing every 30 seconds.

It will surface in 30 seconds.
User Onno Kampman
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