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i need help for math The position of a submarine relative to the water surface was −31 1/4 feet. A downward navigational maneuver increased its depth by 17 1/2 feet.What is the position of the submarine now relative to the water surface?Enter your answer as a mixed number, in simplified form, in the box.

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A position of -31 1/4 ft relative to the water surface means that the submarine was 31 1/4 ft under the water. If it increases its depth by 17 1/2 ft, it means that now it is 17 1/2 ft deeper under the surface.

We have to find first the new distance to the surface:

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