Respuesta :
Answer:
+28
Step-by-step explanation:
She started at 8 meters above sea level +8
She went up 20 meters +20
+8+20 = +28
She is 28 meters above sea level +28
Answer:
+28 is her new elevation
Step-by-step explanation:
Step 1: Identify the integer
+8 is where she started
+20 is how much she went up
+8 + 20
+28 is her new elevation
Answer: +28 is her new elevation