A group of hikers on a mountain began at an elevation of 3040 feet above sea level and stopped at elevation of 2319 feet above sea level. What was their change in elevation between these points? How can you tell from the change in elevation whether the hikers were going up or down the mountain?

4 answers

3040 - 2319 = ?
disagree, final - initial
2319 -3040

negative sign means they went downward
thank you so much for your help
-721