SOLUTION: a submarine descended to a depth of 479 ft and then rose 320 ft. how far below the surface was the submarine and how would you represent that with a signed number?

SOLUTION: a submarine descended to a depth of 479 ft and then rose 320 ft. how far below the surface was the submarine and how would you represent that with a signed number?

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Question 208421: a submarine descended to a depth of 479 ft and then rose 320 ft. how far below the surface was the submarine and how would you represent that with a signed number?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
-479+320=-159 ft
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