Question

a diver is 19 meters below the surface of the sea level.use an integer to represent how far the diver will need to travel to reach the surface

Answer 1

I believe that would be 19.

Answer 2

Position of Diver below sea level =19 meters

In terms of integers

it will be represented as = -19

The surface in terms of integers will be represented as = 0

To reach the surface we have to find additive inverse of -19.

Additive inverse means , after adding two numbers we get Additive Identity.

Additive Identity of Integers= 0

So, Additive inverse of -19= +19, because

⇒ -19+19=0

So, Distance travel by Diver to reach the surface =+19 meter