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6. A submarine is traveling 200 feet below sealevel. It then ascends 75 feet. What is thenew position of the submarine? Write andsolve an equation to represent the situation.

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Solution

Let d denote the position of the submarine

Now, A submarine is traveling 200 feet below sea level

[tex]d=-200[/tex]

It then ascends 75 feet.

[tex]\begin{gathered} d=-200+75 \\ d=-125 \end{gathered}[/tex]

Therefore, the submarine new position is 125 feets below sea level

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