Question

a submarine is submerged to a depth of 650 feet below sea level the ascends 225 feet. Determine the current position of the submarine

Answer 1

Answer: 425 feet

Explanation:

650 - 225 = 425

ascend is positive

650 is technically negative

Answer 2

Explanation:

Ascending means moving towards the surface.

So the submarine is 340 feet below sea level.

The submarine ascends 76feet.

∴

340

−

76

=

264

f

e

e

t

below sea level.