Question

A mountain is 17,905 feet above sea level, and a valley is 346 feet below sea level. What is the difference in elevation between the mountain and the valley?

The difference in elevation between the mountain and the valley is how many feet?

Answer 1

17,559

Explanation:

I am pretty sure you just subtract them

Answer 2

18,251

Explanation:

17905 + 346 because it is below sea level makes it 18251

if it was above sea level it would be the opposite