Jay and Talia are hiking different trails. In the middle of their hikes, Jay is 20 feet below
sea level and Talia is the same number of feet above sea level.
Graph Jay's elevation at -20 on the number line. Then graph Talia's elevation on the
number line. Click on the number line to identify the locations of the points.
▬▬▬▬▬▬▬▬▬▬▬▬▬
+
-70-60-50-40-30-20-10 0
+2
+2
10 20 30 40 50
++
60
70