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A submarine is dividing to a total depth of 45 feet.It descends 15% of the total depth in 1 minute. How deep will the submarine be after 4 minutes?
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A submarine is dividing to a total depth of 45 feet.It descends 15% of the total depth in 1 minute. How deep will the submarine be after 4 minutes?

User StanislavL
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15% of the total depth = 0.15 x 45 feet = 6.75 feet per minute

Therefore, after 4 minutes the sbmarine will be (4 x 6.75 feet) = 27 feet.
User Mark Carpenter
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