SOLUTION: An airplane flies at an altitude of 14,690 ft while a submarine is submerged at a depth of 521 feet below the surface of the ocean.. What is the difference between these two elev

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: An airplane flies at an altitude of 14,690 ft while a submarine is submerged at a depth of 521 feet below the surface of the ocean.. What is the difference between these two elev      Log On


   

Question 1110040: An airplane flies at an altitude of 14,690 ft while a submarine is submerged at a depth of 521 feet below the surface of the ocean.. What is the difference between these two elevations?
Answer by ikleyn(52790) About Me  (Show Source):
You can put this solution on YOUR website!
.
The difference between these two elevations is 

    14690 - (-521) ft = 14690 + 521 ft.


Do you see the sign " + " in the last formula ?


It means you should take your calculator and compute the answer on your own.