Question

A submarine at the surface dives 375 ft and then another 175 ft. Express the final depth as an integer.

Answer 1

---------------------Surface of water--------------------
|
|
|
| dived 375 ft.
|
|
|
----------------------Stopped here ----------------------
|
| dived 175 ft. again
|
---------------------- Final depth ! -----------------------

So, to find final depth, add them up.

Final Depth = 375 ft. + 175 ft. = 550 ft. (Answer)

Answer 2

375 + 175 = 550
there are two ways to express depth
550
-550