A submarine was situated 450m below sea level. If it desends 300m and then moves up 75 m,what is its new position?
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675m below sea level is the submarine's new position.
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Position of submarine = -450 ft.
Again it descends 300 feet ⇒ -300 feet
∴ New position = -450 + (-300) = -750 ft.
∴ It was 750 feet below sea level
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