Question

Suzi starts her hike at 270 feet below sea level. When she reaches the end of the hike, she is still below sea

level at -133 feet. What was the change in elevation from the beginning of Suzi's hike to the end of the
hike?

Answer 1

507

Explanation:

270-(-133)=e

270+133=507

when you have -(-it turns into a +

Answer 2

Answer: -137 feet was the change in elevation